21886352

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{8191}}^1$

素因数の和:8366

約数の個数: 20

約数和(自身を含む): 42663936

約数和(自身を除く): 20777584

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 8191, 16382, 32764, 65528, 131056, 1367897, 2735794, 5471588, 10943176, 21886352]

約数ペア:

[(1, 21886352), (2, 10943176), (4, 5471588), (8, 2735794), (16, 1367897), (167, 131056), (334, 65528), (668, 32764), (1336, 16382), (2672, 8191)]