21508984

素因数分解:

$2^3\times 7^1\times {\mathrm{384089}}^1$

素因数の和:384102

約数の個数: 16

約数和(自身を含む): 46090800

約数和(自身を除く): 24581816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 384089, 768178, 1536356, 2688623, 3072712, 5377246, 10754492, 21508984]

約数ペア:

[(1, 21508984), (2, 10754492), (4, 5377246), (7, 3072712), (8, 2688623), (14, 1536356), (28, 768178), (56, 384089)]