21815698329

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{11709983}}^1$

素因数の和:11710018

約数の個数: 20

約数和(自身を含む): 34005793536

約数和(自身を除く): 12190095207

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 11709983, 35129949, 105389847, 269329609, 316169541, 807988827, 948508623, 2423966481, 7271899443, 21815698329]

約数ペア:

[(1, 21815698329), (3, 7271899443), (9, 2423966481), (23, 948508623), (27, 807988827), (69, 316169541), (81, 269329609), (207, 105389847), (621, 35129949), (1863, 11709983)]