21812110

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{14639}}^1$

素因数の和:14795

約数の個数: 16

約数和(自身を含む): 39528000

約数和(自身を除く): 17715890

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 14639, 29278, 73195, 146390, 2181211, 4362422, 10906055, 21812110]

約数ペア:

[(1, 21812110), (2, 10906055), (5, 4362422), (10, 2181211), (149, 146390), (298, 73195), (745, 29278), (1490, 14639)]