21547573

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 23740416

約数和(自身を除く): 2192843

約数列:

[1, 23, 31, 47, 643, 713, 1081, 1457, 14789, 19933, 30221, 33511, 458459, 695083, 936851, 21547573]

約数ペア:

[(1, 21547573), (23, 936851), (31, 695083), (47, 458459), (643, 33511), (713, 30221), (1081, 19933), (1457, 14789)]