21103061

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1381}}^1$

素因数の和:1484

約数の個数: 16

約数和(自身を含む): 25207680

約数和(自身を除く): 4104619

約数列:

[1, 7, 37, 59, 259, 413, 1381, 2183, 9667, 15281, 51097, 81479, 357679, 570353, 3014723, 21103061]

約数ペア:

[(1, 21103061), (7, 3014723), (37, 570353), (59, 357679), (259, 81479), (413, 51097), (1381, 15281), (2183, 9667)]