21066752

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2939}}^1$

素因数の和:2966

約数の個数: 44

約数和(自身を含む): 48145440

約数和(自身を除く): 27078688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2939, 3584, 5878, 7168, 11756, 20573, 23512, 41146, 47024, 82292, 94048, 164584, 188096, 329168, 376192, 658336, 752384, 1316672, 1504768, 2633344, 3009536, 5266688, 10533376, 21066752]

約数ペア:

[(1, 21066752), (2, 10533376), (4, 5266688), (7, 3009536), (8, 2633344), (14, 1504768), (16, 1316672), (28, 752384), (32, 658336), (56, 376192), (64, 329168), (112, 188096), (128, 164584), (224, 94048), (256, 82292), (448, 47024), (512, 41146), (896, 23512), (1024, 20573), (1792, 11756), (2939, 7168), (3584, 5878)]