21850851

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28789}}^1$

素因数の和:28826

約数の個数: 16

約数和(自身を含む): 33166080

約数和(自身を除く): 11315229

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 28789, 86367, 316679, 662147, 950037, 1986441, 7283617, 21850851]

約数ペア:

[(1, 21850851), (3, 7283617), (11, 1986441), (23, 950037), (33, 662147), (69, 316679), (253, 86367), (759, 28789)]