21856722

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{43889}}^1$

素因数の和:43977

約数の個数: 16

約数和(自身を含む): 44241120

約数和(自身を除く): 22384398

約数列:

[1, 2, 3, 6, 83, 166, 249, 498, 43889, 87778, 131667, 263334, 3642787, 7285574, 10928361, 21856722]

約数ペア:

[(1, 21856722), (2, 10928361), (3, 7285574), (6, 3642787), (83, 263334), (166, 131667), (249, 87778), (498, 43889)]