21259222

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{1103}}^1$

素因数の和:1547

約数の個数: 16

約数和(自身を含む): 33384960

約数和(自身を除く): 12125738

約数列:

[1, 2, 23, 46, 419, 838, 1103, 2206, 9637, 19274, 25369, 50738, 462157, 924314, 10629611, 21259222]

約数ペア:

[(1, 21259222), (2, 10629611), (23, 924314), (46, 462157), (419, 50738), (838, 25369), (1103, 19274), (2206, 9637)]