21714543

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{709}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 32563440

約数和(自身を除く): 10848897

約数列:

[1, 3, 9, 41, 83, 123, 249, 369, 709, 747, 2127, 3403, 6381, 10209, 29069, 30627, 58847, 87207, 176541, 261621, 529623, 2412727, 7238181, 21714543]

約数ペア:

[(1, 21714543), (3, 7238181), (9, 2412727), (41, 529623), (83, 261621), (123, 176541), (249, 87207), (369, 58847), (709, 30627), (747, 29069), (2127, 10209), (3403, 6381)]