21904777384

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3872839}}^1$

素因数の和:3872953

約数の個数: 32

約数和(自身を含む): 47403561600

約数和(自身を除く): 25498784216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2828, 5656, 3872839, 7745678, 15491356, 27109873, 30982712, 54219746, 108439492, 216878984, 391156739, 782313478, 1564626956, 2738097173, 3129253912, 5476194346, 10952388692, 21904777384]

約数ペア:

[(1, 21904777384), (2, 10952388692), (4, 5476194346), (7, 3129253912), (8, 2738097173), (14, 1564626956), (28, 782313478), (56, 391156739), (101, 216878984), (202, 108439492), (404, 54219746), (707, 30982712), (808, 27109873), (1414, 15491356), (2828, 7745678), (5656, 3872839)]