22153859

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1777}}^1$

素因数の和:1934

約数の個数: 16

約数和(自身を含む): 27480768

約数和(自身を除く): 5326909

約数列:

[1, 7, 13, 91, 137, 959, 1777, 1781, 12439, 12467, 23101, 161707, 243449, 1704143, 3164837, 22153859]

約数ペア:

[(1, 22153859), (7, 3164837), (13, 1704143), (91, 243449), (137, 161707), (959, 23101), (1777, 12467), (1781, 12439)]