2021929

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1307}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 2636928

約数和(自身を除く): 614999

約数列:

[1, 7, 13, 17, 91, 119, 221, 1307, 1547, 9149, 16991, 22219, 118937, 155533, 288847, 2021929]

約数ペア:

[(1, 2021929), (7, 288847), (13, 155533), (17, 118937), (91, 22219), (119, 16991), (221, 9149), (1307, 1547)]