2101900

素因数分解:

$2^2\times 5^2\times {\mathrm{21019}}^1$

素因数の和:21033

約数の個数: 18

約数和(自身を含む): 4561340

約数和(自身を除く): 2459440

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 21019, 42038, 84076, 105095, 210190, 420380, 525475, 1050950, 2101900]

約数ペア:

[(1, 2101900), (2, 1050950), (4, 525475), (5, 420380), (10, 210190), (20, 105095), (25, 84076), (50, 42038), (100, 21019)]