21186508

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{5011}}^1$

素因数の和:5173

約数の個数: 24

約数和(自身を含む): 42662144

約数和(自身を除く): 21475636

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 5011, 10022, 20044, 35077, 70154, 140308, 756661, 1513322, 3026644, 5296627, 10593254, 21186508]

約数ペア:

[(1, 21186508), (2, 10593254), (4, 5296627), (7, 3026644), (14, 1513322), (28, 756661), (151, 140308), (302, 70154), (604, 35077), (1057, 20044), (2114, 10022), (4228, 5011)]