21967315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2371}}^1$

素因数の和:2502

約数の個数: 16

約数和(自身を含む): 28179360

約数和(自身を除く): 6212045

約数列:

[1, 5, 17, 85, 109, 545, 1853, 2371, 9265, 11855, 40307, 201535, 258439, 1292195, 4393463, 21967315]

約数ペア:

[(1, 21967315), (5, 4393463), (17, 1292195), (85, 258439), (109, 201535), (545, 40307), (1853, 11855), (2371, 9265)]