21424256

素因数分解:

$2^7\times 7^1\times {\mathrm{23911}}^1$

素因数の和:23932

約数の個数: 32

約数和(自身を含む): 48780480

約数和(自身を除く): 27356224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23911, 47822, 95644, 167377, 191288, 334754, 382576, 669508, 765152, 1339016, 1530304, 2678032, 3060608, 5356064, 10712128, 21424256]

約数ペア:

[(1, 21424256), (2, 10712128), (4, 5356064), (7, 3060608), (8, 2678032), (14, 1530304), (16, 1339016), (28, 765152), (32, 669508), (56, 382576), (64, 334754), (112, 191288), (128, 167377), (224, 95644), (448, 47822), (896, 23911)]