21152656

素因数分解:

$2^4\times 7^1\times {\mathrm{188863}}^1$

素因数の和:188878

約数の個数: 20

約数和(自身を含む): 46838272

約数和(自身を除く): 25685616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188863, 377726, 755452, 1322041, 1510904, 2644082, 3021808, 5288164, 10576328, 21152656]

約数ペア:

[(1, 21152656), (2, 10576328), (4, 5288164), (7, 3021808), (8, 2644082), (14, 1510904), (16, 1322041), (28, 755452), (56, 377726), (112, 188863)]