21748724

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{433}}^2$

素因数の和:899

約数の個数: 18

約数和(自身を含む): 39463830

約数和(自身を除く): 17715106

約数列:

[1, 2, 4, 29, 58, 116, 433, 866, 1732, 12557, 25114, 50228, 187489, 374978, 749956, 5437181, 10874362, 21748724]

約数ペア:

[(1, 21748724), (2, 10874362), (4, 5437181), (29, 749956), (58, 374978), (116, 187489), (433, 50228), (866, 25114), (1732, 12557)]