21000761320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6818429}}^1$

素因数の和:6818458

約数の個数: 64

約数和(自身を含む): 58911235200

約数和(自身を除く): 37910473880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6818429, 13636858, 27273716, 34092145, 47729003, 54547432, 68184290, 75002719, 95458006, 136368580, 150005438, 190916012, 238645015, 272737160, 300010876, 375013595, 381832024, 477290030, 525019033, 600021752, 750027190, 954580060, 1050038066, 1500054380, 1909160120, 2100076132, 2625095165, 3000108760, 4200152264, 5250190330, 10500380660, 21000761320]

約数ペア:

[(1, 21000761320), (2, 10500380660), (4, 5250190330), (5, 4200152264), (7, 3000108760), (8, 2625095165), (10, 2100076132), (11, 1909160120), (14, 1500054380), (20, 1050038066), (22, 954580060), (28, 750027190), (35, 600021752), (40, 525019033), (44, 477290030), (55, 381832024), (56, 375013595), (70, 300010876), (77, 272737160), (88, 238645015), (110, 190916012), (140, 150005438), (154, 136368580), (220, 95458006), (280, 75002719), (308, 68184290), (385, 54547432), (440, 47729003), (616, 34092145), (770, 27273716), (1540, 13636858), (3080, 6818429)]