21104445

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{12451}}^1$

素因数の和:12572

約数の個数: 16

約数和(自身を含む): 34068672

約数和(自身を除く): 12964227

約数列:

[1, 3, 5, 15, 113, 339, 565, 1695, 12451, 37353, 62255, 186765, 1406963, 4220889, 7034815, 21104445]

約数ペア:

[(1, 21104445), (3, 7034815), (5, 4220889), (15, 1406963), (113, 186765), (339, 62255), (565, 37353), (1695, 12451)]