21099018680

素因数分解:

$2^3\times 5^1\times {\mathrm{527475467}}^1$

素因数の和:527475478

約数の個数: 16

約数和(自身を含む): 47472792120

約数和(自身を除く): 26373773440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 527475467, 1054950934, 2109901868, 2637377335, 4219803736, 5274754670, 10549509340, 21099018680]

約数ペア:

[(1, 21099018680), (2, 10549509340), (4, 5274754670), (5, 4219803736), (8, 2637377335), (10, 2109901868), (20, 1054950934), (40, 527475467)]