21608403

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{877}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 29669376

約数和(自身を除く): 8060973

約数列:

[1, 3, 43, 129, 191, 573, 877, 2631, 8213, 24639, 37711, 113133, 167507, 502521, 7202801, 21608403]

約数ペア:

[(1, 21608403), (3, 7202801), (43, 502521), (129, 167507), (191, 113133), (573, 37711), (877, 24639), (2631, 8213)]