21125463

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{617}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 28744416

約数和(自身を除く): 7618953

約数列:

[1, 3, 101, 113, 303, 339, 617, 1851, 11413, 34239, 62317, 69721, 186951, 209163, 7041821, 21125463]

約数ペア:

[(1, 21125463), (3, 7041821), (101, 209163), (113, 186951), (303, 69721), (339, 62317), (617, 34239), (1851, 11413)]