21364468

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{75227}}^1$

素因数の和:75302

約数の個数: 12

約数和(自身を含む): 37914912

約数和(自身を除く): 16550444

約数列:

[1, 2, 4, 71, 142, 284, 75227, 150454, 300908, 5341117, 10682234, 21364468]

約数ペア:

[(1, 21364468), (2, 10682234), (4, 5341117), (71, 300908), (142, 150454), (284, 75227)]