21827344

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2531}}^1$

素因数の和:2564

約数の個数: 60

約数和(自身を含む): 53688528

約数和(自身を除く): 31861184

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 2531, 4312, 5062, 8624, 10124, 17717, 20248, 27841, 35434, 40496, 55682, 70868, 111364, 124019, 141736, 194887, 222728, 248038, 283472, 389774, 445456, 496076, 779548, 992152, 1364209, 1559096, 1984304, 2728418, 3118192, 5456836, 10913672, 21827344]

約数ペア:

[(1, 21827344), (2, 10913672), (4, 5456836), (7, 3118192), (8, 2728418), (11, 1984304), (14, 1559096), (16, 1364209), (22, 992152), (28, 779548), (44, 496076), (49, 445456), (56, 389774), (77, 283472), (88, 248038), (98, 222728), (112, 194887), (154, 141736), (176, 124019), (196, 111364), (308, 70868), (392, 55682), (539, 40496), (616, 35434), (784, 27841), (1078, 20248), (1232, 17717), (2156, 10124), (2531, 8624), (4312, 5062)]