21654897

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{5167}}^1$

素因数の和:5308

約数の個数: 16

約数和(自身を含む): 31752192

約数和(自身を除く): 10097295

約数列:

[1, 3, 11, 33, 127, 381, 1397, 4191, 5167, 15501, 56837, 170511, 656209, 1968627, 7218299, 21654897]

約数ペア:

[(1, 21654897), (3, 7218299), (11, 1968627), (33, 656209), (127, 170511), (381, 56837), (1397, 15501), (4191, 5167)]