21076450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{9803}}^1$

素因数の和:9858

約数の個数: 24

約数和(自身を含む): 40117968

約数和(自身を除く): 19041518

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150, 9803, 19606, 49015, 98030, 245075, 421529, 490150, 843058, 2107645, 4215290, 10538225, 21076450]

約数ペア:

[(1, 21076450), (2, 10538225), (5, 4215290), (10, 2107645), (25, 843058), (43, 490150), (50, 421529), (86, 245075), (215, 98030), (430, 49015), (1075, 19606), (2150, 9803)]