21537550801

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{7496537}}^1$

素因数の和:7496580

約数の個数: 12

約数和(自身を含む): 24693596172

約数和(自身を除く): 3156045371

約数列:

[1, 13, 17, 169, 221, 2873, 7496537, 97454981, 127441129, 1266914753, 1656734677, 21537550801]

約数ペア:

[(1, 21537550801), (13, 1656734677), (17, 1266914753), (169, 127441129), (221, 97454981), (2873, 7496537)]