21668416

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4397}}^1$

素因数の和:4427

約数の個数: 56

約数和(自身を含む): 53620416

約数和(自身を除く): 31952000

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4397, 4928, 8794, 17588, 30779, 35176, 48367, 61558, 70352, 96734, 123116, 140704, 193468, 246232, 281408, 338569, 386936, 492464, 677138, 773872, 984928, 1354276, 1547744, 1969856, 2708552, 3095488, 5417104, 10834208, 21668416]

約数ペア:

[(1, 21668416), (2, 10834208), (4, 5417104), (7, 3095488), (8, 2708552), (11, 1969856), (14, 1547744), (16, 1354276), (22, 984928), (28, 773872), (32, 677138), (44, 492464), (56, 386936), (64, 338569), (77, 281408), (88, 246232), (112, 193468), (154, 140704), (176, 123116), (224, 96734), (308, 70352), (352, 61558), (448, 48367), (616, 35176), (704, 30779), (1232, 17588), (2464, 8794), (4397, 4928)]