21567664

素因数分解:

$2^4\times {\mathrm{929}}^1\times {\mathrm{1451}}^1$

素因数の和:2388

約数の個数: 20

約数和(自身を含む): 41861160

約数和(自身を除く): 20293496

約数列:

[1, 2, 4, 8, 16, 929, 1451, 1858, 2902, 3716, 5804, 7432, 11608, 14864, 23216, 1347979, 2695958, 5391916, 10783832, 21567664]

約数ペア:

[(1, 21567664), (2, 10783832), (4, 5391916), (8, 2695958), (16, 1347979), (929, 23216), (1451, 14864), (1858, 11608), (2902, 7432), (3716, 5804)]