21908336

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{2531}}^1$

素因数の和:3080

約数の個数: 20

約数和(自身を含む): 42542664

約数和(自身を除く): 20634328

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 2531, 4328, 5062, 8656, 10124, 20248, 40496, 1369271, 2738542, 5477084, 10954168, 21908336]

約数ペア:

[(1, 21908336), (2, 10954168), (4, 5477084), (8, 2738542), (16, 1369271), (541, 40496), (1082, 20248), (2164, 10124), (2531, 8656), (4328, 5062)]