21957824

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2173

約数の個数: 56

約数和(自身を含む): 51986688

約数和(自身を除く): 30028864

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 224, 322, 368, 448, 644, 736, 1288, 1472, 2131, 2576, 4262, 5152, 8524, 10304, 14917, 17048, 29834, 34096, 49013, 59668, 68192, 98026, 119336, 136384, 196052, 238672, 343091, 392104, 477344, 686182, 784208, 954688, 1372364, 1568416, 2744728, 3136832, 5489456, 10978912, 21957824]

約数ペア:

[(1, 21957824), (2, 10978912), (4, 5489456), (7, 3136832), (8, 2744728), (14, 1568416), (16, 1372364), (23, 954688), (28, 784208), (32, 686182), (46, 477344), (56, 392104), (64, 343091), (92, 238672), (112, 196052), (161, 136384), (184, 119336), (224, 98026), (322, 68192), (368, 59668), (448, 49013), (644, 34096), (736, 29834), (1288, 17048), (1472, 14917), (2131, 10304), (2576, 8524), (4262, 5152)]