21472564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2897}}^1$

素因数の和:3027

約数の個数: 24

約数和(自身を含む): 40166280

約数和(自身を除く): 18693716

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 2897, 3706, 5794, 7412, 11588, 49249, 98498, 196996, 315773, 631546, 1263092, 5368141, 10736282, 21472564]

約数ペア:

[(1, 21472564), (2, 10736282), (4, 5368141), (17, 1263092), (34, 631546), (68, 315773), (109, 196996), (218, 98498), (436, 49249), (1853, 11588), (2897, 7412), (3706, 5794)]