21697856

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{8269}}^1$

素因数の和:8322

約数の個数: 28

約数和(自身を含む): 44112180

約数和(自身を除く): 22414324

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 8269, 16538, 33076, 66152, 132304, 264608, 339029, 529216, 678058, 1356116, 2712232, 5424464, 10848928, 21697856]

約数ペア:

[(1, 21697856), (2, 10848928), (4, 5424464), (8, 2712232), (16, 1356116), (32, 678058), (41, 529216), (64, 339029), (82, 264608), (164, 132304), (328, 66152), (656, 33076), (1312, 16538), (2624, 8269)]