21267100

素因数分解:

$2^2\times 5^2\times {\mathrm{212671}}^1$

素因数の和:212685

約数の個数: 18

約数和(自身を含む): 46149824

約数和(自身を除く): 24882724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 212671, 425342, 850684, 1063355, 2126710, 4253420, 5316775, 10633550, 21267100]

約数ペア:

[(1, 21267100), (2, 10633550), (4, 5316775), (5, 4253420), (10, 2126710), (20, 1063355), (25, 850684), (50, 425342), (100, 212671)]