21459069

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1249}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 32760000

約数和(自身を除く): 11300931

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1249, 1909, 3747, 5727, 11241, 17181, 28727, 86181, 103667, 258543, 311001, 933003, 2384341, 7153023, 21459069]

約数ペア:

[(1, 21459069), (3, 7153023), (9, 2384341), (23, 933003), (69, 311001), (83, 258543), (207, 103667), (249, 86181), (747, 28727), (1249, 17181), (1909, 11241), (3747, 5727)]