23821721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13451}}^1$

素因数の和:13492

約数の個数: 16

約数和(自身を含む): 30993408

約数和(自身を除く): 7171687

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 13451, 94157, 147961, 309373, 1035727, 2165611, 3403103, 23821721]

約数ペア:

[(1, 23821721), (7, 3403103), (11, 2165611), (23, 1035727), (77, 309373), (161, 147961), (253, 94157), (1771, 13451)]