21687176

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7307}}^1$

素因数の和:7373

約数の個数: 32

約数和(自身を含む): 47355840

約数和(自身を除く): 25668664

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7307, 14614, 29228, 51149, 58456, 102298, 204596, 387271, 409192, 774542, 1549084, 2710897, 3098168, 5421794, 10843588, 21687176]

約数ペア:

[(1, 21687176), (2, 10843588), (4, 5421794), (7, 3098168), (8, 2710897), (14, 1549084), (28, 774542), (53, 409192), (56, 387271), (106, 204596), (212, 102298), (371, 58456), (424, 51149), (742, 29228), (1484, 14614), (2968, 7307)]