22421791

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 26439424

約数和(自身を除く): 4017633

約数列:

[1, 7, 43, 163, 301, 457, 1141, 3199, 7009, 19651, 49063, 74491, 137557, 521437, 3203113, 22421791]

約数ペア:

[(1, 22421791), (7, 3203113), (43, 521437), (163, 137557), (301, 74491), (457, 49063), (1141, 19651), (3199, 7009)]