21640192

素因数分解:

$2^{10}\times 7^1\times {\mathrm{3019}}^1$

素因数の和:3046

約数の個数: 44

約数和(自身を含む): 49455520

約数和(自身を除く): 27815328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3019, 3584, 6038, 7168, 12076, 21133, 24152, 42266, 48304, 84532, 96608, 169064, 193216, 338128, 386432, 676256, 772864, 1352512, 1545728, 2705024, 3091456, 5410048, 10820096, 21640192]

約数ペア:

[(1, 21640192), (2, 10820096), (4, 5410048), (7, 3091456), (8, 2705024), (14, 1545728), (16, 1352512), (28, 772864), (32, 676256), (56, 386432), (64, 338128), (112, 193216), (128, 169064), (224, 96608), (256, 84532), (448, 48304), (512, 42266), (896, 24152), (1024, 21133), (1792, 12076), (3019, 7168), (3584, 6038)]