21010528

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8527}}^1$

素因数の和:8555

約数の個数: 48

約数和(自身を含む): 51577344

約数和(自身を除く): 30566816

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8527, 17054, 34108, 59689, 68216, 93797, 119378, 136432, 187594, 238756, 272864, 375188, 477512, 656579, 750376, 955024, 1313158, 1500752, 1910048, 2626316, 3001504, 5252632, 10505264, 21010528]

約数ペア:

[(1, 21010528), (2, 10505264), (4, 5252632), (7, 3001504), (8, 2626316), (11, 1910048), (14, 1500752), (16, 1313158), (22, 955024), (28, 750376), (32, 656579), (44, 477512), (56, 375188), (77, 272864), (88, 238756), (112, 187594), (154, 136432), (176, 119378), (224, 93797), (308, 68216), (352, 59689), (616, 34108), (1232, 17054), (2464, 8527)]