21005054

素因数分解:

$2^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{4733}}^1$

素因数の和:5059

約数の個数: 16

約数和(自身を含む): 36129888

約数和(自身を除く): 15124834

約数列:

[1, 2, 7, 14, 317, 634, 2219, 4438, 4733, 9466, 33131, 66262, 1500361, 3000722, 10502527, 21005054]

約数ペア:

[(1, 21005054), (2, 10502527), (7, 3000722), (14, 1500361), (317, 66262), (634, 33131), (2219, 9466), (4438, 4733)]