21299008

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{8117}}^1$

素因数の和:8170

約数の個数: 28

約数和(自身を含む): 43301412

約数和(自身を除く): 22002404

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 8117, 16234, 32468, 64936, 129872, 259744, 332797, 519488, 665594, 1331188, 2662376, 5324752, 10649504, 21299008]

約数ペア:

[(1, 21299008), (2, 10649504), (4, 5324752), (8, 2662376), (16, 1331188), (32, 665594), (41, 519488), (64, 332797), (82, 259744), (164, 129872), (328, 64936), (656, 32468), (1312, 16234), (2624, 8117)]