21659176

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5023}}^1$

素因数の和:5054

約数の個数: 48

約数和(自身を含む): 51546240

約数和(自身を除く): 29887064

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 5023, 10046, 20092, 35161, 40184, 55253, 70322, 110506, 140644, 221012, 246127, 281288, 386771, 442024, 492254, 773542, 984508, 1547084, 1969016, 2707397, 3094168, 5414794, 10829588, 21659176]

約数ペア:

[(1, 21659176), (2, 10829588), (4, 5414794), (7, 3094168), (8, 2707397), (11, 1969016), (14, 1547084), (22, 984508), (28, 773542), (44, 492254), (49, 442024), (56, 386771), (77, 281288), (88, 246127), (98, 221012), (154, 140644), (196, 110506), (308, 70322), (392, 55253), (539, 40184), (616, 35161), (1078, 20092), (2156, 10046), (4312, 5023)]