21722372

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2161}}^1$

素因数の和:2531

約数の個数: 24

約数和(自身を含む): 43585920

約数和(自身を除く): 21863548

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 2161, 2513, 4322, 5026, 8644, 10052, 15127, 30254, 60508, 775799, 1551598, 3103196, 5430593, 10861186, 21722372]

約数ペア:

[(1, 21722372), (2, 10861186), (4, 5430593), (7, 3103196), (14, 1551598), (28, 775799), (359, 60508), (718, 30254), (1436, 15127), (2161, 10052), (2513, 8644), (4322, 5026)]