21880084

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2309}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 40360320

約数和(自身を除く): 18480236

約数列:

[1, 2, 4, 23, 46, 92, 103, 206, 412, 2309, 2369, 4618, 4738, 9236, 9476, 53107, 106214, 212428, 237827, 475654, 951308, 5470021, 10940042, 21880084]

約数ペア:

[(1, 21880084), (2, 10940042), (4, 5470021), (23, 951308), (46, 475654), (92, 237827), (103, 212428), (206, 106214), (412, 53107), (2309, 9476), (2369, 9236), (4618, 4738)]