21108976

素因数分解:

$2^4\times 7^1\times {\mathrm{188473}}^1$

素因数の和:188488

約数の個数: 20

約数和(自身を含む): 46741552

約数和(自身を除く): 25632576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188473, 376946, 753892, 1319311, 1507784, 2638622, 3015568, 5277244, 10554488, 21108976]

約数ペア:

[(1, 21108976), (2, 10554488), (4, 5277244), (7, 3015568), (8, 2638622), (14, 1507784), (16, 1319311), (28, 753892), (56, 376946), (112, 188473)]