21333392

素因数分解:

$2^4\times {\mathrm{617}}^1\times {\mathrm{2161}}^1$

素因数の和:2786

約数の個数: 20

約数和(自身を含む): 41419596

約数和(自身を除く): 20086204

約数列:

[1, 2, 4, 8, 16, 617, 1234, 2161, 2468, 4322, 4936, 8644, 9872, 17288, 34576, 1333337, 2666674, 5333348, 10666696, 21333392]

約数ペア:

[(1, 21333392), (2, 10666696), (4, 5333348), (8, 2666674), (16, 1333337), (617, 34576), (1234, 17288), (2161, 9872), (2468, 8644), (4322, 4936)]