21490432

素因数分解:

$2^8\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:804

約数の個数: 36

約数和(自身を含む): 43300096

約数和(自身を除く): 21809664

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 256, 508, 661, 1016, 1322, 2032, 2644, 4064, 5288, 8128, 10576, 16256, 21152, 32512, 42304, 83947, 84608, 167894, 169216, 335788, 671576, 1343152, 2686304, 5372608, 10745216, 21490432]

約数ペア:

[(1, 21490432), (2, 10745216), (4, 5372608), (8, 2686304), (16, 1343152), (32, 671576), (64, 335788), (127, 169216), (128, 167894), (254, 84608), (256, 83947), (508, 42304), (661, 32512), (1016, 21152), (1322, 16256), (2032, 10576), (2644, 8128), (4064, 5288)]