21226767

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{743}}^1$

素因数の和:942

約数の個数: 16

約数和(自身を含む): 28926720

約数和(自身を除く): 7699953

約数列:

[1, 3, 89, 107, 267, 321, 743, 2229, 9523, 28569, 66127, 79501, 198381, 238503, 7075589, 21226767]

約数ペア:

[(1, 21226767), (3, 7075589), (89, 238503), (107, 198381), (267, 79501), (321, 66127), (743, 28569), (2229, 9523)]