21779968

素因数分解:

$2^9\times 7^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 80

約数和(自身を含む): 51068160

約数和(自身を除く): 29288192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 64, 103, 112, 118, 128, 206, 224, 236, 256, 412, 413, 448, 472, 512, 721, 824, 826, 896, 944, 1442, 1648, 1652, 1792, 1888, 2884, 3296, 3304, 3584, 3776, 5768, 6077, 6592, 6608, 7552, 11536, 12154, 13184, 13216, 15104, 23072, 24308, 26368, 26432, 30208, 42539, 46144, 48616, 52736, 52864, 85078, 92288, 97232, 105728, 170156, 184576, 194464, 211456, 340312, 369152, 388928, 680624, 777856, 1361248, 1555712, 2722496, 3111424, 5444992, 10889984, 21779968]

約数ペア:

[(1, 21779968), (2, 10889984), (4, 5444992), (7, 3111424), (8, 2722496), (14, 1555712), (16, 1361248), (28, 777856), (32, 680624), (56, 388928), (59, 369152), (64, 340312), (103, 211456), (112, 194464), (118, 184576), (128, 170156), (206, 105728), (224, 97232), (236, 92288), (256, 85078), (412, 52864), (413, 52736), (448, 48616), (472, 46144), (512, 42539), (721, 30208), (824, 26432), (826, 26368), (896, 24308), (944, 23072), (1442, 15104), (1648, 13216), (1652, 13184), (1792, 12154), (1888, 11536), (2884, 7552), (3296, 6608), (3304, 6592), (3584, 6077), (3776, 5768)]