21146444

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43691}}^1$

素因数の和:43717

約数の個数: 18

約数和(自身を含む): 40677252

約数和(自身を除く): 19530808

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 43691, 87382, 174764, 480601, 961202, 1922404, 5286611, 10573222, 21146444]

約数ペア:

[(1, 21146444), (2, 10573222), (4, 5286611), (11, 1922404), (22, 961202), (44, 480601), (121, 174764), (242, 87382), (484, 43691)]