21000674295

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1667}}^1\times {\mathrm{3943}}^1$

素因数の和:5692

約数の個数: 48

約数和(自身を含む): 36945372672

約数和(自身を除く): 15944698377

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 1667, 3195, 3943, 5001, 8335, 11829, 15003, 19715, 25005, 35487, 59145, 75015, 118357, 177435, 279953, 355071, 591785, 839859, 1065213, 1399765, 1775355, 2519577, 4199295, 5326065, 6572981, 12597885, 19718943, 32864905, 59156829, 98594715, 295784145, 466681651, 1400044953, 2333408255, 4200134859, 7000224765, 21000674295]

約数ペア:

[(1, 21000674295), (3, 7000224765), (5, 4200134859), (9, 2333408255), (15, 1400044953), (45, 466681651), (71, 295784145), (213, 98594715), (355, 59156829), (639, 32864905), (1065, 19718943), (1667, 12597885), (3195, 6572981), (3943, 5326065), (5001, 4199295), (8335, 2519577), (11829, 1775355), (15003, 1399765), (19715, 1065213), (25005, 839859), (35487, 591785), (59145, 355071), (75015, 279953), (118357, 177435)]