21628124

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{7219}}^1$

素因数の和:7337

約数の個数: 24

約数和(自身を含む): 43666560

約数和(自身を除く): 22038436

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 7219, 14438, 28876, 50533, 101066, 202132, 772433, 1544866, 3089732, 5407031, 10814062, 21628124]

約数ペア:

[(1, 21628124), (2, 10814062), (4, 5407031), (7, 3089732), (14, 1544866), (28, 772433), (107, 202132), (214, 101066), (428, 50533), (749, 28876), (1498, 14438), (2996, 7219)]