21075152

素因数分解:

$2^4\times 7^1\times {\mathrm{188171}}^1$

素因数の和:188186

約数の個数: 20

約数和(自身を含む): 46666656

約数和(自身を除く): 25591504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188171, 376342, 752684, 1317197, 1505368, 2634394, 3010736, 5268788, 10537576, 21075152]

約数ペア:

[(1, 21075152), (2, 10537576), (4, 5268788), (7, 3010736), (8, 2634394), (14, 1505368), (16, 1317197), (28, 752684), (56, 376342), (112, 188171)]