21534365775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{50311}}^1$

素因数の和:50776

約数の個数: 48

約数和(自身を含む): 38430318080

約数和(自身を除く): 16895952305

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 439, 975, 1317, 2195, 5707, 6585, 10975, 17121, 28535, 32925, 50311, 85605, 142675, 150933, 251555, 428025, 654043, 754665, 1257775, 1962129, 3270215, 3773325, 9810645, 16351075, 22086529, 49053225, 66259587, 110432645, 287124877, 331297935, 552163225, 861374631, 1435624385, 1656489675, 4306873155, 7178121925, 21534365775]

約数ペア:

[(1, 21534365775), (3, 7178121925), (5, 4306873155), (13, 1656489675), (15, 1435624385), (25, 861374631), (39, 552163225), (65, 331297935), (75, 287124877), (195, 110432645), (325, 66259587), (439, 49053225), (975, 22086529), (1317, 16351075), (2195, 9810645), (5707, 3773325), (6585, 3270215), (10975, 1962129), (17121, 1257775), (28535, 754665), (32925, 654043), (50311, 428025), (85605, 251555), (142675, 150933)]