210864620

素因数分解:

$2^2\times 5^1\times {\mathrm{10543231}}^1$

素因数の和:10543240

約数の個数: 12

約数和(自身を含む): 442815744

約数和(自身を除く): 231951124

約数列:

[1, 2, 4, 5, 10, 20, 10543231, 21086462, 42172924, 52716155, 105432310, 210864620]

約数ペア:

[(1, 210864620), (2, 105432310), (4, 52716155), (5, 42172924), (10, 21086462), (20, 10543231)]