21492339

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9173}}^1$

素因数の和:9258

約数の個数: 16

約数和(自身を含む): 31705344

約数和(自身を除く): 10213005

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 9173, 27519, 100903, 302709, 651283, 1953849, 7164113, 21492339]

約数ペア:

[(1, 21492339), (3, 7164113), (11, 1953849), (33, 651283), (71, 302709), (213, 100903), (781, 27519), (2343, 9173)]