21646899

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47161}}^1$

素因数の和:47187

約数の個数: 16

約数和(自身を含む): 33956640

約数和(自身を除く): 12309741

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 47161, 141483, 424449, 801737, 1273347, 2405211, 7215633, 21646899]

約数ペア:

[(1, 21646899), (3, 7215633), (9, 2405211), (17, 1273347), (27, 801737), (51, 424449), (153, 141483), (459, 47161)]