21284397

素因数分解:

$3^3\times {\mathrm{241}}^1\times {\mathrm{3271}}^1$

素因数の和:3521

約数の個数: 16

約数和(自身を含む): 31672960

約数和(自身を除く): 10388563

約数列:

[1, 3, 9, 27, 241, 723, 2169, 3271, 6507, 9813, 29439, 88317, 788311, 2364933, 7094799, 21284397]

約数ペア:

[(1, 21284397), (3, 7094799), (9, 2364933), (27, 788311), (241, 88317), (723, 29439), (2169, 9813), (3271, 6507)]