21815092

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{947}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 41249376

約数和(自身を除く): 19434284

約数列:

[1, 2, 4, 13, 26, 52, 443, 886, 947, 1772, 1894, 3788, 5759, 11518, 12311, 23036, 24622, 49244, 419521, 839042, 1678084, 5453773, 10907546, 21815092]

約数ペア:

[(1, 21815092), (2, 10907546), (4, 5453773), (13, 1678084), (26, 839042), (52, 419521), (443, 49244), (886, 24622), (947, 23036), (1772, 12311), (1894, 11518), (3788, 5759)]