Răspuns :
D17=1,17
D21=1,3,7,21
D32=1,2,4,8,16,32
D99=1,3,11,33,99
D120=1,2,3,4,5,6,8,10,12,15,20,30,40,60,120
D21=1,3,7,21
D32=1,2,4,8,16,32
D99=1,3,11,33,99
D120=1,2,3,4,5,6,8,10,12,15,20,30,40,60,120
17: 1, 17
21: 1, 3, 7, 21
32: 1,2, 4, 8, 16, 32
99: 1, 3, 9,11, 33, 99
120: 1, 2,3,4,5,6, 8,10,12, 15, 20, 24, 30, 40, 60
21: 1, 3, 7, 21
32: 1,2, 4, 8, 16, 32
99: 1, 3, 9,11, 33, 99
120: 1, 2,3,4,5,6, 8,10,12, 15, 20, 24, 30, 40, 60