21969818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{457}}^1$

素因数の和:558

約数の個数: 24

約数和(自身を含む): 36413748

約数和(自身を除く): 14443930

約数列:

[1, 2, 13, 26, 43, 86, 457, 559, 914, 1118, 1849, 3698, 5941, 11882, 19651, 24037, 39302, 48074, 255463, 510926, 844993, 1689986, 10984909, 21969818]

約数ペア:

[(1, 21969818), (2, 10984909), (13, 1689986), (26, 844993), (43, 510926), (86, 255463), (457, 48074), (559, 39302), (914, 24037), (1118, 19651), (1849, 11882), (3698, 5941)]