42100900

素因数分解:

$2^2\times 5^2\times {\mathrm{421009}}^1$

素因数の和:421023

約数の個数: 18

約数和(自身を含む): 91359170

約数和(自身を除く): 49258270

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421009, 842018, 1684036, 2105045, 4210090, 8420180, 10525225, 21050450, 42100900]

約数ペア:

[(1, 42100900), (2, 21050450), (4, 10525225), (5, 8420180), (10, 4210090), (20, 2105045), (25, 1684036), (50, 842018), (100, 421009)]