2108900

素因数分解:

$2^2\times 5^2\times {\mathrm{21089}}^1$

素因数の和:21103

約数の個数: 18

約数和(自身を含む): 4576530

約数和(自身を除く): 2467630

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 21089, 42178, 84356, 105445, 210890, 421780, 527225, 1054450, 2108900]

約数ペア:

[(1, 2108900), (2, 1054450), (4, 527225), (5, 421780), (10, 210890), (20, 105445), (25, 84356), (50, 42178), (100, 21089)]