21031888664

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{698641}}^1$

素因数の和:698771

約数の個数: 32

約数和(自身を含む): 40744801440

約数和(自身を除く): 19712912776

約数列:

[1, 2, 4, 8, 53, 71, 106, 142, 212, 284, 424, 568, 3763, 7526, 15052, 30104, 698641, 1397282, 2794564, 5589128, 37027973, 49603511, 74055946, 99207022, 148111892, 198414044, 296223784, 396828088, 2628986083, 5257972166, 10515944332, 21031888664]

約数ペア:

[(1, 21031888664), (2, 10515944332), (4, 5257972166), (8, 2628986083), (53, 396828088), (71, 296223784), (106, 198414044), (142, 148111892), (212, 99207022), (284, 74055946), (424, 49603511), (568, 37027973), (3763, 5589128), (7526, 2794564), (15052, 1397282), (30104, 698641)]