21952419

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4481}}^1$

素因数の和:4578

約数の個数: 16

約数和(自身を含む): 30979584

約数和(自身を除く): 9027165

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4481, 4899, 13443, 103063, 309189, 318151, 954453, 7317473, 21952419]

約数ペア:

[(1, 21952419), (3, 7317473), (23, 954453), (69, 318151), (71, 309189), (213, 103063), (1633, 13443), (4481, 4899)]