21710931

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{4357}}^1$

素因数の和:4522

約数の個数: 16

約数和(自身を含む): 31795968

約数和(自身を除く): 10085037

約数列:

[1, 3, 11, 33, 151, 453, 1661, 4357, 4983, 13071, 47927, 143781, 657907, 1973721, 7236977, 21710931]

約数ペア:

[(1, 21710931), (3, 7236977), (11, 1973721), (33, 657907), (151, 143781), (453, 47927), (1661, 13071), (4357, 4983)]