21006931

素因数分解:

${\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1410

約数の個数: 12

約数和(自身を含む): 23275000

約数和(自身を除く): 2268069

約数列:

[1, 11, 121, 139, 1249, 1529, 13739, 16819, 151129, 173611, 1909721, 21006931]

約数ペア:

[(1, 21006931), (11, 1909721), (121, 173611), (139, 151129), (1249, 16819), (1529, 13739)]