21813291

素因数分解:

$3^2\times {\mathrm{239}}^1\times {\mathrm{10141}}^1$

素因数の和:10386

約数の個数: 12

約数和(自身を含む): 31643040

約数和(自身を除く): 9829749

約数列:

[1, 3, 9, 239, 717, 2151, 10141, 30423, 91269, 2423699, 7271097, 21813291]

約数ペア:

[(1, 21813291), (3, 7271097), (9, 2423699), (239, 91269), (717, 30423), (2151, 10141)]