21434021

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 26199936

約数和(自身を除く): 4765915

約数列:

[1, 7, 41, 47, 49, 227, 287, 329, 1589, 1927, 2009, 2303, 9307, 10669, 11123, 13489, 65149, 74683, 94423, 437429, 456043, 522781, 3062003, 21434021]

約数ペア:

[(1, 21434021), (7, 3062003), (41, 522781), (47, 456043), (49, 437429), (227, 94423), (287, 74683), (329, 65149), (1589, 13489), (1927, 11123), (2009, 10669), (2303, 9307)]