21421826

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1117}}^1$

素因数の和:1385

約数の個数: 16

約数和(自身を含む): 33057024

約数和(自身を除く): 11635198

約数列:

[1, 2, 43, 86, 223, 446, 1117, 2234, 9589, 19178, 48031, 96062, 249091, 498182, 10710913, 21421826]

約数ペア:

[(1, 21421826), (2, 10710913), (43, 498182), (86, 249091), (223, 96062), (446, 48031), (1117, 19178), (2234, 9589)]