21413778

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{209939}}^1$

素因数の和:209961

約数の個数: 16

約数和(自身を含む): 45347040

約数和(自身を除く): 23933262

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 209939, 419878, 629817, 1259634, 3568963, 7137926, 10706889, 21413778]

約数ペア:

[(1, 21413778), (2, 10706889), (3, 7137926), (6, 3568963), (17, 1259634), (34, 629817), (51, 419878), (102, 209939)]