21628313

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{739}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 25645440

約数和(自身を除く): 4017127

約数列:

[1, 7, 37, 113, 259, 739, 791, 4181, 5173, 27343, 29267, 83507, 191401, 584549, 3089759, 21628313]

約数ペア:

[(1, 21628313), (7, 3089759), (37, 584549), (113, 191401), (259, 83507), (739, 29267), (791, 27343), (4181, 5173)]