21764511

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{26003}}^1$

素因数の和:26043

約数の個数: 16

約数和(自身を含む): 33285120

約数和(自身を除く): 11520609

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 26003, 78009, 234027, 702081, 806093, 2418279, 7254837, 21764511]

約数ペア:

[(1, 21764511), (3, 7254837), (9, 2418279), (27, 806093), (31, 702081), (93, 234027), (279, 78009), (837, 26003)]