21095080

素因数分解:

$2^3\times 5^1\times {\mathrm{527377}}^1$

素因数の和:527388

約数の個数: 16

約数和(自身を含む): 47464020

約数和(自身を除く): 26368940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 527377, 1054754, 2109508, 2636885, 4219016, 5273770, 10547540, 21095080]

約数ペア:

[(1, 21095080), (2, 10547540), (4, 5273770), (5, 4219016), (8, 2636885), (10, 2109508), (20, 1054754), (40, 527377)]