21260288

素因数分解:

$2^{11}\times 7^1\times {\mathrm{1483}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 48615840

約数和(自身を除く): 27355552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1483, 1792, 2048, 2966, 3584, 5932, 7168, 10381, 11864, 14336, 20762, 23728, 41524, 47456, 83048, 94912, 166096, 189824, 332192, 379648, 664384, 759296, 1328768, 1518592, 2657536, 3037184, 5315072, 10630144, 21260288]

約数ペア:

[(1, 21260288), (2, 10630144), (4, 5315072), (7, 3037184), (8, 2657536), (14, 1518592), (16, 1328768), (28, 759296), (32, 664384), (56, 379648), (64, 332192), (112, 189824), (128, 166096), (224, 94912), (256, 83048), (448, 47456), (512, 41524), (896, 23728), (1024, 20762), (1483, 14336), (1792, 11864), (2048, 10381), (2966, 7168), (3584, 5932)]