21962907

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{11789}}^1$

素因数の和:11824

約数の個数: 20

約数和(自身を含む): 34238160

約数和(自身を除く): 12275253

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 11789, 35367, 106101, 271147, 318303, 813441, 954909, 2440323, 7320969, 21962907]

約数ペア:

[(1, 21962907), (3, 7320969), (9, 2440323), (23, 954909), (27, 813441), (69, 318303), (81, 271147), (207, 106101), (621, 35367), (1863, 11789)]