21884900

素因数分解:

$2^2\times 5^2\times {\mathrm{218849}}^1$

素因数の和:218863

約数の個数: 18

約数和(自身を含む): 47490450

約数和(自身を除く): 25605550

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 218849, 437698, 875396, 1094245, 2188490, 4376980, 5471225, 10942450, 21884900]

約数ペア:

[(1, 21884900), (2, 10942450), (4, 5471225), (5, 4376980), (10, 2188490), (20, 1094245), (25, 875396), (50, 437698), (100, 218849)]