16821065

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2309}}^1$

素因数の和:2392

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 4467895

約数列:

[1, 5, 31, 47, 155, 235, 1457, 2309, 7285, 11545, 71579, 108523, 357895, 542615, 3364213, 16821065]

約数ペア:

[(1, 16821065), (5, 3364213), (31, 542615), (47, 357895), (155, 108523), (235, 71579), (1457, 11545), (2309, 7285)]