21109881598

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{62455271}}^1$

素因数の和:62455299

約数の個数: 12

約数和(自身を含む): 34287944328

約数和(自身を除く): 13178062730

約数列:

[1, 2, 13, 26, 169, 338, 62455271, 124910542, 811918523, 1623837046, 10554940799, 21109881598]

約数ペア:

[(1, 21109881598), (2, 10554940799), (13, 1623837046), (26, 811918523), (169, 124910542), (338, 62455271)]