21560734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12377}}^1$

素因数の和:12459

約数の個数: 16

約数和(自身を含む): 35351568

約数和(自身を除く): 13790834

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 12377, 24754, 160901, 321802, 829259, 1658518, 10780367, 21560734]

約数ペア:

[(1, 21560734), (2, 10780367), (13, 1658518), (26, 829259), (67, 321802), (134, 160901), (871, 24754), (1742, 12377)]