21887636

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2953}}^1$

素因数の和:3083

約数の個数: 24

約数和(自身を含む): 40942440

約数和(自身を除く): 19054804

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 2953, 3706, 5906, 7412, 11812, 50201, 100402, 200804, 321877, 643754, 1287508, 5471909, 10943818, 21887636]

約数ペア:

[(1, 21887636), (2, 10943818), (4, 5471909), (17, 1287508), (34, 643754), (68, 321877), (109, 200804), (218, 100402), (436, 50201), (1853, 11812), (2953, 7412), (3706, 5906)]