21322081

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1292

約数の個数: 16

約数和(自身を含む): 24634368

約数和(自身を除く): 3312287

約数列:

[1, 11, 23, 71, 253, 781, 1187, 1633, 13057, 17963, 27301, 84277, 300311, 927047, 1938371, 21322081]

約数ペア:

[(1, 21322081), (11, 1938371), (23, 927047), (71, 300311), (253, 84277), (781, 27301), (1187, 17963), (1633, 13057)]