21246558

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{82351}}^1$

素因数の和:82399

約数の個数: 16

約数和(自身を含む): 43481856

約数和(自身を除く): 22235298

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 82351, 164702, 247053, 494106, 3541093, 7082186, 10623279, 21246558]

約数ペア:

[(1, 21246558), (2, 10623279), (3, 7082186), (6, 3541093), (43, 494106), (86, 247053), (129, 164702), (258, 82351)]