21187936

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8599}}^1$

素因数の和:8627

約数の個数: 48

約数和(自身を含む): 52012800

約数和(自身を除く): 30824864

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 8599, 17198, 34396, 60193, 68792, 94589, 120386, 137584, 189178, 240772, 275168, 378356, 481544, 662123, 756712, 963088, 1324246, 1513424, 1926176, 2648492, 3026848, 5296984, 10593968, 21187936]

約数ペア:

[(1, 21187936), (2, 10593968), (4, 5296984), (7, 3026848), (8, 2648492), (11, 1926176), (14, 1513424), (16, 1324246), (22, 963088), (28, 756712), (32, 662123), (44, 481544), (56, 378356), (77, 275168), (88, 240772), (112, 189178), (154, 137584), (176, 120386), (224, 94589), (308, 68792), (352, 60193), (616, 34396), (1232, 17198), (2464, 8599)]