21866721

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{1019}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 30551040

約数和(自身を除く): 8684319

約数列:

[1, 3, 23, 69, 311, 933, 1019, 3057, 7153, 21459, 23437, 70311, 316909, 950727, 7288907, 21866721]

約数ペア:

[(1, 21866721), (3, 7288907), (23, 950727), (69, 316909), (311, 70311), (933, 23437), (1019, 21459), (3057, 7153)]