21626368

素因数分解:

$2^9\times {\mathrm{42239}}^1$

素因数の和:42257

約数の個数: 20

約数和(自身を含む): 43211520

約数和(自身を除く): 21585152

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 42239, 84478, 168956, 337912, 675824, 1351648, 2703296, 5406592, 10813184, 21626368]

約数ペア:

[(1, 21626368), (2, 10813184), (4, 5406592), (8, 2703296), (16, 1351648), (32, 675824), (64, 337912), (128, 168956), (256, 84478), (512, 42239)]