21233092880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8561731}}^1$

素因数の和:8561775

約数の個数: 40

約数和(自身を含む): 50959428864

約数和(自身を除く): 29726335984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 8561731, 17123462, 34246924, 42808655, 68493848, 85617310, 136987696, 171234620, 265413661, 342469240, 530827322, 684938480, 1061654644, 1327068305, 2123309288, 2654136610, 4246618576, 5308273220, 10616546440, 21233092880]

約数ペア:

[(1, 21233092880), (2, 10616546440), (4, 5308273220), (5, 4246618576), (8, 2654136610), (10, 2123309288), (16, 1327068305), (20, 1061654644), (31, 684938480), (40, 530827322), (62, 342469240), (80, 265413661), (124, 171234620), (155, 136987696), (248, 85617310), (310, 68493848), (496, 42808655), (620, 34246924), (1240, 17123462), (2480, 8561731)]