21744021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{5413}}^1$

素因数の和:5532

約数の個数: 16

約数和(自身を含む): 31531136

約数和(自身を除く): 9787115

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 5413, 16239, 70369, 211107, 557539, 1672617, 7248007, 21744021]

約数ペア:

[(1, 21744021), (3, 7248007), (13, 1672617), (39, 557539), (103, 211107), (309, 70369), (1339, 16239), (4017, 5413)]