21420386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{28409}}^1$

素因数の和:28453

約数の個数: 16

約数和(自身を含む): 35796600

約数和(自身を除く): 14376214

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 28409, 56818, 369317, 738634, 823861, 1647722, 10710193, 21420386]

約数ペア:

[(1, 21420386), (2, 10710193), (13, 1647722), (26, 823861), (29, 738634), (58, 369317), (377, 56818), (754, 28409)]