21000478576

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17045843}}^1$

素因数の和:17045869

約数の個数: 40

約数和(自身を含む): 50728431744

約数和(自身を除く): 29727953168

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17045843, 34091686, 68183372, 119320901, 136366744, 187504273, 238641802, 272733488, 375008546, 477283604, 750017092, 954567208, 1312529911, 1500034184, 1909134416, 2625059822, 3000068368, 5250119644, 10500239288, 21000478576]

約数ペア:

[(1, 21000478576), (2, 10500239288), (4, 5250119644), (7, 3000068368), (8, 2625059822), (11, 1909134416), (14, 1500034184), (16, 1312529911), (22, 954567208), (28, 750017092), (44, 477283604), (56, 375008546), (77, 272733488), (88, 238641802), (112, 187504273), (154, 136366744), (176, 119320901), (308, 68183372), (616, 34091686), (1232, 17045843)]