21527831

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3359}}^1$

素因数の和:3418

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 3873769

約数列:

[1, 13, 17, 29, 221, 377, 493, 3359, 6409, 43667, 57103, 97411, 742339, 1266343, 1655987, 21527831]

約数ペア:

[(1, 21527831), (13, 1655987), (17, 1266343), (29, 742339), (221, 97411), (377, 57103), (493, 43667), (3359, 6409)]