21286366959

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{142993}}^1$

素因数の和:143367

約数の個数: 32

約数和(自身を含む): 33440004864

約数和(自身を除く): 12153637905

約数列:

[1, 3, 11, 13, 33, 39, 143, 347, 429, 1041, 3817, 4511, 11451, 13533, 49621, 142993, 148863, 428979, 1572923, 1858909, 4718769, 5576727, 20447999, 49618571, 61343997, 148855713, 545804281, 645041423, 1637412843, 1935124269, 7095455653, 21286366959]

約数ペア:

[(1, 21286366959), (3, 7095455653), (11, 1935124269), (13, 1637412843), (33, 645041423), (39, 545804281), (143, 148855713), (347, 61343997), (429, 49618571), (1041, 20447999), (3817, 5576727), (4511, 4718769), (11451, 1858909), (13533, 1572923), (49621, 428979), (142993, 148863)]