21923121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{5231}}^1$

素因数の和:5372

約数の個数: 16

約数和(自身を含む): 32145408

約数和(自身を除く): 10222287

約数列:

[1, 3, 11, 33, 127, 381, 1397, 4191, 5231, 15693, 57541, 172623, 664337, 1993011, 7307707, 21923121]

約数ペア:

[(1, 21923121), (3, 7307707), (11, 1993011), (33, 664337), (127, 172623), (381, 57541), (1397, 15693), (4191, 5231)]