21447144

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{2143}}^1$

素因数の和:2294

約数の個数: 48

約数和(自身を含む): 58531200

約数和(自身を除く): 37084056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 1112, 1251, 1668, 2143, 2502, 3336, 4286, 5004, 6429, 8572, 10008, 12858, 17144, 19287, 25716, 38574, 51432, 77148, 154296, 297877, 595754, 893631, 1191508, 1787262, 2383016, 2680893, 3574524, 5361786, 7149048, 10723572, 21447144]

約数ペア:

[(1, 21447144), (2, 10723572), (3, 7149048), (4, 5361786), (6, 3574524), (8, 2680893), (9, 2383016), (12, 1787262), (18, 1191508), (24, 893631), (36, 595754), (72, 297877), (139, 154296), (278, 77148), (417, 51432), (556, 38574), (834, 25716), (1112, 19287), (1251, 17144), (1668, 12858), (2143, 10008), (2502, 8572), (3336, 6429), (4286, 5004)]