21743391

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1181}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 32424624

約数和(自身を除く): 10681233

約数列:

[1, 3, 17, 19, 51, 57, 323, 361, 969, 1083, 1181, 3543, 6137, 18411, 20077, 22439, 60231, 67317, 381463, 426341, 1144389, 1279023, 7247797, 21743391]

約数ペア:

[(1, 21743391), (3, 7247797), (17, 1279023), (19, 1144389), (51, 426341), (57, 381463), (323, 67317), (361, 60231), (969, 22439), (1083, 20077), (1181, 18411), (3543, 6137)]