21000953320

素因数分解:

$2^3\times 5^1\times {\mathrm{525023833}}^1$

素因数の和:525023844

約数の個数: 16

約数和(自身を含む): 47252145060

約数和(自身を除く): 26251191740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 525023833, 1050047666, 2100095332, 2625119165, 4200190664, 5250238330, 10500476660, 21000953320]

約数ペア:

[(1, 21000953320), (2, 10500476660), (4, 5250238330), (5, 4200190664), (8, 2625119165), (10, 2100095332), (20, 1050047666), (40, 525023833)]