21890176

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2221}}^1$

素因数の和:2253

約数の個数: 64

約数和(自身を含む): 54394560

約数和(自身を除く): 32504384

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 2221, 2464, 4442, 4928, 8884, 9856, 15547, 17768, 24431, 31094, 35536, 48862, 62188, 71072, 97724, 124376, 142144, 171017, 195448, 248752, 284288, 342034, 390896, 497504, 684068, 781792, 995008, 1368136, 1563584, 1990016, 2736272, 3127168, 5472544, 10945088, 21890176]

約数ペア:

[(1, 21890176), (2, 10945088), (4, 5472544), (7, 3127168), (8, 2736272), (11, 1990016), (14, 1563584), (16, 1368136), (22, 995008), (28, 781792), (32, 684068), (44, 497504), (56, 390896), (64, 342034), (77, 284288), (88, 248752), (112, 195448), (128, 171017), (154, 142144), (176, 124376), (224, 97724), (308, 71072), (352, 62188), (448, 48862), (616, 35536), (704, 31094), (896, 24431), (1232, 17768), (1408, 15547), (2221, 9856), (2464, 8884), (4442, 4928)]