21287418

素因数分解:

$2^1\times 3^1\times {\mathrm{1759}}^1\times {\mathrm{2017}}^1$

素因数の和:3781

約数の個数: 16

約数和(自身を含む): 42620160

約数和(自身を除く): 21332742

約数列:

[1, 2, 3, 6, 1759, 2017, 3518, 4034, 5277, 6051, 10554, 12102, 3547903, 7095806, 10643709, 21287418]

約数ペア:

[(1, 21287418), (2, 10643709), (3, 7095806), (6, 3547903), (1759, 12102), (2017, 10554), (3518, 6051), (4034, 5277)]