21976317

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1597}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 34900320

約数和(自身を除く): 12924003

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1529, 1597, 4587, 4791, 13761, 14373, 17567, 52701, 158103, 221983, 665949, 1997847, 2441813, 7325439, 21976317]

約数ペア:

[(1, 21976317), (3, 7325439), (9, 2441813), (11, 1997847), (33, 665949), (99, 221983), (139, 158103), (417, 52701), (1251, 17567), (1529, 14373), (1597, 13761), (4587, 4791)]