21081038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{2213}}^1$

素因数の和:2659

約数の個数: 16

約数和(自身を含む): 34591536

約数和(自身を除く): 13510498

約数列:

[1, 2, 11, 22, 433, 866, 2213, 4426, 4763, 9526, 24343, 48686, 958229, 1916458, 10540519, 21081038]

約数ペア:

[(1, 21081038), (2, 10540519), (11, 1916458), (22, 958229), (433, 48686), (866, 24343), (2213, 9526), (4426, 4763)]