21204814

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{623671}}^1$

素因数の和:623690

約数の個数: 8

約数和(自身を含む): 33678288

約数和(自身を除く): 12473474

約数列:

[1, 2, 17, 34, 623671, 1247342, 10602407, 21204814]

約数ペア:

[(1, 21204814), (2, 10602407), (17, 1247342), (34, 623671)]