21313655612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1235431}}^1$

素因数の和:1235681

約数の個数: 24

約数和(自身を含む): 39434989440

約数和(自身を除く): 18121333828

約数列:

[1, 2, 4, 19, 38, 76, 227, 454, 908, 4313, 8626, 17252, 1235431, 2470862, 4941724, 23473189, 46946378, 93892756, 280442837, 560885674, 1121771348, 5328413903, 10656827806, 21313655612]

約数ペア:

[(1, 21313655612), (2, 10656827806), (4, 5328413903), (19, 1121771348), (38, 560885674), (76, 280442837), (227, 93892756), (454, 46946378), (908, 23473189), (4313, 4941724), (8626, 2470862), (17252, 1235431)]