21883792

素因数分解:

$2^4\times 7^2\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:396

約数の個数: 60

約数和(自身を含む): 49984896

約数和(自身を除く): 28101104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 103, 112, 196, 206, 271, 392, 412, 542, 721, 784, 824, 1084, 1442, 1648, 1897, 2168, 2884, 3794, 4336, 5047, 5768, 7588, 10094, 11536, 13279, 15176, 20188, 26558, 27913, 30352, 40376, 53116, 55826, 80752, 106232, 111652, 195391, 212464, 223304, 390782, 446608, 781564, 1367737, 1563128, 2735474, 3126256, 5470948, 10941896, 21883792]

約数ペア:

[(1, 21883792), (2, 10941896), (4, 5470948), (7, 3126256), (8, 2735474), (14, 1563128), (16, 1367737), (28, 781564), (49, 446608), (56, 390782), (98, 223304), (103, 212464), (112, 195391), (196, 111652), (206, 106232), (271, 80752), (392, 55826), (412, 53116), (542, 40376), (721, 30352), (784, 27913), (824, 26558), (1084, 20188), (1442, 15176), (1648, 13279), (1897, 11536), (2168, 10094), (2884, 7588), (3794, 5768), (4336, 5047)]