21038484

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12613}}^1$

素因数の和:12759

約数の個数: 24

約数和(自身を含む): 49446880

約数和(自身を除く): 28408396

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12613, 25226, 37839, 50452, 75678, 151356, 1753207, 3506414, 5259621, 7012828, 10519242, 21038484]

約数ペア:

[(1, 21038484), (2, 10519242), (3, 7012828), (4, 5259621), (6, 3506414), (12, 1753207), (139, 151356), (278, 75678), (417, 50452), (556, 37839), (834, 25226), (1668, 12613)]