21672339

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1753}}^1$

素因数の和:2086

約数の個数: 16

約数和(自身を含む): 31235232

約数和(自身を除く): 9562893

約数列:

[1, 3, 13, 39, 317, 951, 1753, 4121, 5259, 12363, 22789, 68367, 555701, 1667103, 7224113, 21672339]

約数ペア:

[(1, 21672339), (3, 7224113), (13, 1667103), (39, 555701), (317, 68367), (951, 22789), (1753, 12363), (4121, 5259)]