21306368

素因数分解:

$2^{10}\times {\mathrm{20807}}^1$

素因数の和:20827

約数の個数: 22

約数和(自身を含む): 42593976

約数和(自身を除く): 21287608

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20807, 41614, 83228, 166456, 332912, 665824, 1331648, 2663296, 5326592, 10653184, 21306368]

約数ペア:

[(1, 21306368), (2, 10653184), (4, 5326592), (8, 2663296), (16, 1331648), (32, 665824), (64, 332912), (128, 166456), (256, 83228), (512, 41614), (1024, 20807)]