21847263

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2417}}^1$

素因数の和:2574

約数の個数: 16

約数和(自身を含む): 30640896

約数和(自身を除く): 8793633

約数列:

[1, 3, 23, 69, 131, 393, 2417, 3013, 7251, 9039, 55591, 166773, 316627, 949881, 7282421, 21847263]

約数ペア:

[(1, 21847263), (3, 7282421), (23, 949881), (69, 316627), (131, 166773), (393, 55591), (2417, 9039), (3013, 7251)]