21492621

素因数分解:

$3^5\times {\mathrm{241}}^1\times {\mathrm{367}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 32416384

約数和(自身を除く): 10923763

約数列:

[1, 3, 9, 27, 81, 241, 243, 367, 723, 1101, 2169, 3303, 6507, 9909, 19521, 29727, 58563, 88447, 89181, 265341, 796023, 2388069, 7164207, 21492621]

約数ペア:

[(1, 21492621), (3, 7164207), (9, 2388069), (27, 796023), (81, 265341), (241, 89181), (243, 88447), (367, 58563), (723, 29727), (1101, 19521), (2169, 9909), (3303, 6507)]