21526040

素因数分解:

$2^3\times 5^1\times {\mathrm{538151}}^1$

素因数の和:538162

約数の個数: 16

約数和(自身を含む): 48433680

約数和(自身を除く): 26907640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 538151, 1076302, 2152604, 2690755, 4305208, 5381510, 10763020, 21526040]

約数ペア:

[(1, 21526040), (2, 10763020), (4, 5381510), (5, 4305208), (8, 2690755), (10, 2152604), (20, 1076302), (40, 538151)]