21444976

素因数分解:

$2^4\times 7^1\times {\mathrm{191473}}^1$

素因数の和:191488

約数の個数: 20

約数和(自身を含む): 47485552

約数和(自身を除く): 26040576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191473, 382946, 765892, 1340311, 1531784, 2680622, 3063568, 5361244, 10722488, 21444976]

約数ペア:

[(1, 21444976), (2, 10722488), (4, 5361244), (7, 3063568), (8, 2680622), (14, 1531784), (16, 1340311), (28, 765892), (56, 382946), (112, 191473)]