21974499

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1279}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 33546240

約数和(自身を除く): 11571741

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1279, 1909, 3837, 5727, 11511, 17181, 29417, 88251, 106157, 264753, 318471, 955413, 2441611, 7324833, 21974499]

約数ペア:

[(1, 21974499), (3, 7324833), (9, 2441611), (23, 955413), (69, 318471), (83, 264753), (207, 106157), (249, 88251), (747, 29417), (1279, 17181), (1909, 11511), (3837, 5727)]