21427120840

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{588011}}^1$

素因数の和:588933

約数の個数: 32

約数和(自身を含む): 48264024960

約数和(自身を除く): 26836904120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1822, 3644, 4555, 7288, 9110, 18220, 36440, 588011, 1176022, 2352044, 2940055, 4704088, 5880110, 11760220, 23520440, 535678021, 1071356042, 2142712084, 2678390105, 4285424168, 5356780210, 10713560420, 21427120840]

約数ペア:

[(1, 21427120840), (2, 10713560420), (4, 5356780210), (5, 4285424168), (8, 2678390105), (10, 2142712084), (20, 1071356042), (40, 535678021), (911, 23520440), (1822, 11760220), (3644, 5880110), (4555, 4704088), (7288, 2940055), (9110, 2352044), (18220, 1176022), (36440, 588011)]