21687608

素因数分解:

$2^3\times {\mathrm{541}}^1\times {\mathrm{5011}}^1$

素因数の和:5558

約数の個数: 16

約数和(自身を含む): 40747560

約数和(自身を除く): 19059952

約数列:

[1, 2, 4, 8, 541, 1082, 2164, 4328, 5011, 10022, 20044, 40088, 2710951, 5421902, 10843804, 21687608]

約数ペア:

[(1, 21687608), (2, 10843804), (4, 5421902), (8, 2710951), (541, 40088), (1082, 20044), (2164, 10022), (4328, 5011)]