21260710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125063}}^1$

素因数の和:125087

約数の個数: 16

約数和(自身を含む): 40520736

約数和(自身を除く): 19260026

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 125063, 250126, 625315, 1250630, 2126071, 4252142, 10630355, 21260710]

約数ペア:

[(1, 21260710), (2, 10630355), (5, 4252142), (10, 2126071), (17, 1250630), (34, 625315), (85, 250126), (170, 125063)]