21449728

素因数分解:

$2^{10}\times {\mathrm{20947}}^1$

素因数の和:20967

約数の個数: 22

約数和(自身を含む): 42880556

約数和(自身を除く): 21430828

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20947, 41894, 83788, 167576, 335152, 670304, 1340608, 2681216, 5362432, 10724864, 21449728]

約数ペア:

[(1, 21449728), (2, 10724864), (4, 5362432), (8, 2681216), (16, 1340608), (32, 670304), (64, 335152), (128, 167576), (256, 83788), (512, 41894), (1024, 20947)]