20211352456

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{867887}}^1$

素因数の和:868005

約数の個数: 32

約数和(自身を含む): 39367399680

約数和(自身を除く): 19156047224

約数列:

[1, 2, 4, 8, 41, 71, 82, 142, 164, 284, 328, 568, 2911, 5822, 11644, 23288, 867887, 1735774, 3471548, 6943096, 35583367, 61619977, 71166734, 123239954, 142333468, 246479908, 284666936, 492959816, 2526419057, 5052838114, 10105676228, 20211352456]

約数ペア:

[(1, 20211352456), (2, 10105676228), (4, 5052838114), (8, 2526419057), (41, 492959816), (71, 284666936), (82, 246479908), (142, 142333468), (164, 123239954), (284, 71166734), (328, 61619977), (568, 35583367), (2911, 6943096), (5822, 3471548), (11644, 1735774), (23288, 867887)]