21406040

素因数分解:

$2^3\times 5^1\times {\mathrm{535151}}^1$

素因数の和:535162

約数の個数: 16

約数和(自身を含む): 48163680

約数和(自身を除く): 26757640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 535151, 1070302, 2140604, 2675755, 4281208, 5351510, 10703020, 21406040]

約数ペア:

[(1, 21406040), (2, 10703020), (4, 5351510), (5, 4281208), (8, 2675755), (10, 2140604), (20, 1070302), (40, 535151)]