21026266

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{677}}^1$

素因数の和:1025

約数の個数: 16

約数和(自身を含む): 32291784

約数和(自身を除く): 11265518

約数列:

[1, 2, 53, 106, 293, 586, 677, 1354, 15529, 31058, 35881, 71762, 198361, 396722, 10513133, 21026266]

約数ペア:

[(1, 21026266), (2, 10513133), (53, 396722), (106, 198361), (293, 71762), (586, 35881), (677, 31058), (1354, 15529)]