21083729906

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1\times {\mathrm{7883}}^1$

素因数の和:8738

約数の個数: 32

約数和(自身を含む): 33218760960

約数和(自身を除く): 12135031054

約数列:

[1, 2, 37, 47, 74, 94, 769, 1538, 1739, 3478, 7883, 15766, 28453, 36143, 56906, 72286, 291671, 370501, 583342, 741002, 1337291, 2674582, 6062027, 12124054, 13708537, 27417074, 224294999, 284915269, 448589998, 569830538, 10541864953, 21083729906]

約数ペア:

[(1, 21083729906), (2, 10541864953), (37, 569830538), (47, 448589998), (74, 284915269), (94, 224294999), (769, 27417074), (1538, 13708537), (1739, 12124054), (3478, 6062027), (7883, 2674582), (15766, 1337291), (28453, 741002), (36143, 583342), (56906, 370501), (72286, 291671)]