21147016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4073}}^1$

素因数の和:4149

約数の個数: 32

約数和(自身を含む): 43999200

約数和(自身を除く): 22852184

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 236, 472, 649, 1298, 2596, 4073, 5192, 8146, 16292, 32584, 44803, 89606, 179212, 240307, 358424, 480614, 961228, 1922456, 2643377, 5286754, 10573508, 21147016]

約数ペア:

[(1, 21147016), (2, 10573508), (4, 5286754), (8, 2643377), (11, 1922456), (22, 961228), (44, 480614), (59, 358424), (88, 240307), (118, 179212), (236, 89606), (472, 44803), (649, 32584), (1298, 16292), (2596, 8146), (4073, 5192)]