21497589

素因数分解:

$3^3\times {\mathrm{709}}^1\times {\mathrm{1123}}^1$

素因数の和:1841

約数の個数: 16

約数和(自身を含む): 31921600

約数和(自身を除く): 10424011

約数列:

[1, 3, 9, 27, 709, 1123, 2127, 3369, 6381, 10107, 19143, 30321, 796207, 2388621, 7165863, 21497589]

約数ペア:

[(1, 21497589), (3, 7165863), (9, 2388621), (27, 796207), (709, 30321), (1123, 19143), (2127, 10107), (3369, 6381)]