21646151

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 24

約数和(自身を含む): 25084080

約数和(自身を除く): 3437929

約数列:

[1, 17, 23, 29, 83, 391, 493, 529, 667, 1411, 1909, 2407, 8993, 11339, 15341, 32453, 40919, 43907, 55361, 260797, 746419, 941137, 1273303, 21646151]

約数ペア:

[(1, 21646151), (17, 1273303), (23, 941137), (29, 746419), (83, 260797), (391, 55361), (493, 43907), (529, 40919), (667, 32453), (1411, 15341), (1909, 11339), (2407, 8993)]