21663586

素因数分解:

$2^1\times 7^2\times {\mathrm{443}}^1\times {\mathrm{499}}^1$

素因数の和:958

約数の個数: 24

約数和(自身を含む): 37962000

約数和(自身を除く): 16298414

約数列:

[1, 2, 7, 14, 49, 98, 443, 499, 886, 998, 3101, 3493, 6202, 6986, 21707, 24451, 43414, 48902, 221057, 442114, 1547399, 3094798, 10831793, 21663586]

約数ペア:

[(1, 21663586), (2, 10831793), (7, 3094798), (14, 1547399), (49, 442114), (98, 221057), (443, 48902), (499, 43414), (886, 24451), (998, 21707), (3101, 6986), (3493, 6202)]