21752613

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 32242392

約数和(自身を除く): 10489779

約数列:

[1, 3, 9, 73, 113, 219, 293, 339, 657, 879, 1017, 2637, 8249, 21389, 24747, 33109, 64167, 74241, 99327, 192501, 297981, 2416957, 7250871, 21752613]

約数ペア:

[(1, 21752613), (3, 7250871), (9, 2416957), (73, 297981), (113, 192501), (219, 99327), (293, 74241), (339, 64167), (657, 33109), (879, 24747), (1017, 21389), (2637, 8249)]