21035556

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{20149}}^1$

素因数の和:20188

約数の個数: 36

約数和(自身を含む): 55009500

約数和(自身を除く): 33973944

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 20149, 40298, 60447, 80596, 120894, 181341, 241788, 362682, 584321, 725364, 1168642, 1752963, 2337284, 3505926, 5258889, 7011852, 10517778, 21035556]

約数ペア:

[(1, 21035556), (2, 10517778), (3, 7011852), (4, 5258889), (6, 3505926), (9, 2337284), (12, 1752963), (18, 1168642), (29, 725364), (36, 584321), (58, 362682), (87, 241788), (116, 181341), (174, 120894), (261, 80596), (348, 60447), (522, 40298), (1044, 20149)]