2100045380

素因数分解:

$2^2\times 5^1\times {\mathrm{105002269}}^1$

素因数の和:105002278

約数の個数: 12

約数和(自身を含む): 4410095340

約数和(自身を除く): 2310049960

約数列:

[1, 2, 4, 5, 10, 20, 105002269, 210004538, 420009076, 525011345, 1050022690, 2100045380]

約数ペア:

[(1, 2100045380), (2, 1050022690), (4, 525011345), (5, 420009076), (10, 210004538), (20, 105002269)]