21158912

素因数分解:

$2^{10}\times {\mathrm{20663}}^1$

素因数の和:20683

約数の個数: 22

約数和(自身を含む): 42299208

約数和(自身を除く): 21140296

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20663, 41326, 82652, 165304, 330608, 661216, 1322432, 2644864, 5289728, 10579456, 21158912]

約数ペア:

[(1, 21158912), (2, 10579456), (4, 5289728), (8, 2644864), (16, 1322432), (32, 661216), (64, 330608), (128, 165304), (256, 82652), (512, 41326), (1024, 20663)]