21787331433

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{67339}}^1$

素因数の和:67458

約数の個数: 48

約数和(自身を含む): 35374510080

約数和(自身を除く): 13587178647

約数列:

[1, 3, 7, 21, 31, 49, 71, 93, 147, 213, 217, 497, 651, 1491, 1519, 2201, 3479, 4557, 6603, 10437, 15407, 46221, 67339, 107849, 202017, 323547, 471373, 1414119, 2087509, 3299611, 4781069, 6262527, 9898833, 14343207, 14612563, 33467483, 43837689, 100402449, 102287941, 148213139, 234272381, 306863823, 444639417, 702817143, 1037491973, 3112475919, 7262443811, 21787331433]

約数ペア:

[(1, 21787331433), (3, 7262443811), (7, 3112475919), (21, 1037491973), (31, 702817143), (49, 444639417), (71, 306863823), (93, 234272381), (147, 148213139), (213, 102287941), (217, 100402449), (497, 43837689), (651, 33467483), (1491, 14612563), (1519, 14343207), (2201, 9898833), (3479, 6262527), (4557, 4781069), (6603, 3299611), (10437, 2087509), (15407, 1414119), (46221, 471373), (67339, 323547), (107849, 202017)]