21224009

素因数分解:

${\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:856

約数の個数: 12

約数和(自身を含む): 22635396

約数和(自身を除く): 1411387

約数列:

[1, 23, 53, 529, 757, 1219, 17411, 28037, 40121, 400453, 922783, 21224009]

約数ペア:

[(1, 21224009), (23, 922783), (53, 400453), (529, 40121), (757, 28037), (1219, 17411)]