21910106868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3469}}^1\times {\mathrm{40487}}^1$

素因数の和:43976

約数の個数: 48

約数和(自身を含む): 55073397120

約数和(自身を除く): 33163290252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 3469, 6938, 10407, 13876, 20814, 40487, 41628, 45097, 80974, 90194, 121461, 135291, 161948, 180388, 242922, 270582, 485844, 526331, 541164, 1052662, 1578993, 2105324, 3157986, 6315972, 140449403, 280898806, 421348209, 561797612, 842696418, 1685392836, 1825842239, 3651684478, 5477526717, 7303368956, 10955053434, 21910106868]

約数ペア:

[(1, 21910106868), (2, 10955053434), (3, 7303368956), (4, 5477526717), (6, 3651684478), (12, 1825842239), (13, 1685392836), (26, 842696418), (39, 561797612), (52, 421348209), (78, 280898806), (156, 140449403), (3469, 6315972), (6938, 3157986), (10407, 2105324), (13876, 1578993), (20814, 1052662), (40487, 541164), (41628, 526331), (45097, 485844), (80974, 270582), (90194, 242922), (121461, 180388), (135291, 161948)]