21108188

素因数分解:

$2^2\times {\mathrm{757}}^1\times {\mathrm{6971}}^1$

素因数の和:7732

約数の個数: 12

約数和(自身を含む): 36993432

約数和(自身を除く): 15885244

約数列:

[1, 2, 4, 757, 1514, 3028, 6971, 13942, 27884, 5277047, 10554094, 21108188]

約数ペア:

[(1, 21108188), (2, 10554094), (4, 5277047), (757, 27884), (1514, 13942), (3028, 6971)]