21356423

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 24072576

約数和(自身を除く): 2716153

約数列:

[1, 11, 43, 163, 277, 473, 1793, 3047, 7009, 11911, 45151, 77099, 131021, 496661, 1941493, 21356423]

約数ペア:

[(1, 21356423), (11, 1941493), (43, 496661), (163, 131021), (277, 77099), (473, 45151), (1793, 11911), (3047, 7009)]