21202900

素因数分解:

$2^2\times 5^2\times {\mathrm{212029}}^1$

素因数の和:212043

約数の個数: 18

約数和(自身を含む): 46010510

約数和(自身を除く): 24807610

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 212029, 424058, 848116, 1060145, 2120290, 4240580, 5300725, 10601450, 21202900]

約数ペア:

[(1, 21202900), (2, 10601450), (4, 5300725), (5, 4240580), (10, 2120290), (20, 1060145), (25, 848116), (50, 424058), (100, 212029)]