21792890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{719}}^1$

素因数の和:1166

約数の個数: 32

約数和(自身を含む): 44997120

約数和(自身を除く): 23204230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 433, 719, 866, 1438, 2165, 3031, 3595, 4330, 5033, 6062, 7190, 10066, 15155, 25165, 30310, 50330, 311327, 622654, 1556635, 2179289, 3113270, 4358578, 10896445, 21792890]

約数ペア:

[(1, 21792890), (2, 10896445), (5, 4358578), (7, 3113270), (10, 2179289), (14, 1556635), (35, 622654), (70, 311327), (433, 50330), (719, 30310), (866, 25165), (1438, 15155), (2165, 10066), (3031, 7190), (3595, 6062), (4330, 5033)]