21178702

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{2029}}^1$

素因数の和:2355

約数の個数: 16

約数和(自身を含む): 33762960

約数和(自身を除く): 12584258

約数列:

[1, 2, 17, 34, 307, 614, 2029, 4058, 5219, 10438, 34493, 68986, 622903, 1245806, 10589351, 21178702]

約数ペア:

[(1, 21178702), (2, 10589351), (17, 1245806), (34, 622903), (307, 68986), (614, 34493), (2029, 10438), (4058, 5219)]