21338343

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{60793}}^1$

素因数の和:60815

約数の個数: 16

約数和(自身を含む): 34044640

約数和(自身を除く): 12706297

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 60793, 182379, 547137, 790309, 1641411, 2370927, 7112781, 21338343]

約数ペア:

[(1, 21338343), (3, 7112781), (9, 2370927), (13, 1641411), (27, 790309), (39, 547137), (117, 182379), (351, 60793)]