21656144

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{7013}}^1$

素因数の和:7214

約数の個数: 20

約数和(自身を含む): 42182196

約数和(自身を除く): 20526052

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 7013, 14026, 28052, 56104, 112208, 1353509, 2707018, 5414036, 10828072, 21656144]

約数ペア:

[(1, 21656144), (2, 10828072), (4, 5414036), (8, 2707018), (16, 1353509), (193, 112208), (386, 56104), (772, 28052), (1544, 14026), (3088, 7013)]