21289836

素因数分解:

$2^2\times 3^1\times {\mathrm{307}}^1\times {\mathrm{5779}}^1$

素因数の和:6093

約数の個数: 24

約数和(自身を含む): 49846720

約数和(自身を除く): 28556884

約数列:

[1, 2, 3, 4, 6, 12, 307, 614, 921, 1228, 1842, 3684, 5779, 11558, 17337, 23116, 34674, 69348, 1774153, 3548306, 5322459, 7096612, 10644918, 21289836]

約数ペア:

[(1, 21289836), (2, 10644918), (3, 7096612), (4, 5322459), (6, 3548306), (12, 1774153), (307, 69348), (614, 34674), (921, 23116), (1228, 17337), (1842, 11558), (3684, 5779)]