21754264

素因数分解:

$2^3\times 7^1\times {\mathrm{479}}^1\times {\mathrm{811}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 46771200

約数和(自身を除く): 25016936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 479, 811, 958, 1622, 1916, 3244, 3353, 3832, 5677, 6488, 6706, 11354, 13412, 22708, 26824, 45416, 388469, 776938, 1553876, 2719283, 3107752, 5438566, 10877132, 21754264]

約数ペア:

[(1, 21754264), (2, 10877132), (4, 5438566), (7, 3107752), (8, 2719283), (14, 1553876), (28, 776938), (56, 388469), (479, 45416), (811, 26824), (958, 22708), (1622, 13412), (1916, 11354), (3244, 6706), (3353, 6488), (3832, 5677)]