21672112

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{359}}^1$

素因数の和:399

約数の個数: 80

約数和(自身を含む): 53568000

約数和(自身を除く): 31895888

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 343, 359, 392, 539, 616, 686, 718, 784, 1078, 1232, 1372, 1436, 2156, 2513, 2744, 2872, 3773, 3949, 4312, 5026, 5488, 5744, 7546, 7898, 8624, 10052, 15092, 15796, 17591, 20104, 27643, 30184, 31592, 35182, 40208, 55286, 60368, 63184, 70364, 110572, 123137, 140728, 193501, 221144, 246274, 281456, 387002, 442288, 492548, 774004, 985096, 1354507, 1548008, 1970192, 2709014, 3096016, 5418028, 10836056, 21672112]

約数ペア:

[(1, 21672112), (2, 10836056), (4, 5418028), (7, 3096016), (8, 2709014), (11, 1970192), (14, 1548008), (16, 1354507), (22, 985096), (28, 774004), (44, 492548), (49, 442288), (56, 387002), (77, 281456), (88, 246274), (98, 221144), (112, 193501), (154, 140728), (176, 123137), (196, 110572), (308, 70364), (343, 63184), (359, 60368), (392, 55286), (539, 40208), (616, 35182), (686, 31592), (718, 30184), (784, 27643), (1078, 20104), (1232, 17591), (1372, 15796), (1436, 15092), (2156, 10052), (2513, 8624), (2744, 7898), (2872, 7546), (3773, 5744), (3949, 5488), (4312, 5026)]