21342191

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{359}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 24494400

約数和(自身を除く): 3152209

約数列:

[1, 13, 17, 221, 269, 359, 3497, 4573, 4667, 6103, 59449, 79339, 96571, 1255423, 1641707, 21342191]

約数ペア:

[(1, 21342191), (13, 1641707), (17, 1255423), (221, 96571), (269, 79339), (359, 59449), (3497, 6103), (4573, 4667)]