21563191

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97571}}^1$

素因数の和:97601

約数の個数: 8

約数和(自身を含む): 24588144

約数和(自身を除く): 3024953

約数列:

[1, 13, 17, 221, 97571, 1268423, 1658707, 21563191]

約数ペア:

[(1, 21563191), (13, 1658707), (17, 1268423), (221, 97571)]