21332080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3463}}^1$

素因数の和:3494

約数の個数: 80

約数和(自身を含む): 61853184

約数和(自身を除く): 40521104

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 3463, 6160, 6926, 13852, 17315, 24241, 27704, 34630, 38093, 48482, 55408, 69260, 76186, 96964, 121205, 138520, 152372, 190465, 193928, 242410, 266651, 277040, 304744, 380930, 387856, 484820, 533302, 609488, 761860, 969640, 1066604, 1333255, 1523720, 1939280, 2133208, 2666510, 3047440, 4266416, 5333020, 10666040, 21332080]

約数ペア:

[(1, 21332080), (2, 10666040), (4, 5333020), (5, 4266416), (7, 3047440), (8, 2666510), (10, 2133208), (11, 1939280), (14, 1523720), (16, 1333255), (20, 1066604), (22, 969640), (28, 761860), (35, 609488), (40, 533302), (44, 484820), (55, 387856), (56, 380930), (70, 304744), (77, 277040), (80, 266651), (88, 242410), (110, 193928), (112, 190465), (140, 152372), (154, 138520), (176, 121205), (220, 96964), (280, 76186), (308, 69260), (385, 55408), (440, 48482), (560, 38093), (616, 34630), (770, 27704), (880, 24241), (1232, 17315), (1540, 13852), (3080, 6926), (3463, 6160)]