21360776

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{37607}}^1$

素因数の和:37684

約数の個数: 16

約数和(自身を含む): 40616640

約数和(自身を除く): 19255864

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 37607, 75214, 150428, 300856, 2670097, 5340194, 10680388, 21360776]

約数ペア:

[(1, 21360776), (2, 10680388), (4, 5340194), (8, 2670097), (71, 300856), (142, 150428), (284, 75214), (568, 37607)]