21247332

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{41177}}^1$

素因数の和:41227

約数の個数: 24

約数和(自身を含む): 50731296

約数和(自身を除く): 29483964

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41177, 82354, 123531, 164708, 247062, 494124, 1770611, 3541222, 5311833, 7082444, 10623666, 21247332]

約数ペア:

[(1, 21247332), (2, 10623666), (3, 7082444), (4, 5311833), (6, 3541222), (12, 1770611), (43, 494124), (86, 247062), (129, 164708), (172, 123531), (258, 82354), (516, 41177)]