2100043580

素因数分解:

$2^2\times 5^1\times {\mathrm{105002179}}^1$

素因数の和:105002188

約数の個数: 12

約数和(自身を含む): 4410091560

約数和(自身を除く): 2310047980

約数列:

[1, 2, 4, 5, 10, 20, 105002179, 210004358, 420008716, 525010895, 1050021790, 2100043580]

約数ペア:

[(1, 2100043580), (2, 1050021790), (4, 525010895), (5, 420008716), (10, 210004358), (20, 105002179)]