Python:

Dùng for:

n = int(input())
lst = []
for i in range(1, n):
      if n % i == 0:
           lst.append(i)
print(lst)

Dùng while:

n = int(input())
lst = []
count = 1 
while count < n:
       if n % count == 0:
            lst.append(count)
       count += 1 
print(lst)

uses crt;
var n, pos1, pos2, i: longint;
    a, b: array[1..1000] of longint;
begin
clrscr;
write('Nhap n = '); readln(n);
pos1 := 0; pos2 := 0;
for i := 1 to trunc(sqrt(n)) do
    if n mod i = 0 then 
    begin
        pos1 := pos1 + 1; 
        a[pos1] := i;
        if i * i <> n then begin pos2 := pos2 + 1; b[pos2] := n div i; end;
    end;
writeln('Cac uoc thuc su cua ', n, ' la: ');
for i := 1 to pos1 do write(a[i], ' ');
for i := pos2 downto 2 do write(b[i], ' ');

readln;
end.