21564806

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{21871}}^1$

素因数の和:21919

約数の個数: 16

約数和(自身を含む): 35432640

約数和(自身を除く): 13867834

約数列:

[1, 2, 17, 29, 34, 58, 493, 986, 21871, 43742, 371807, 634259, 743614, 1268518, 10782403, 21564806]

約数ペア:

[(1, 21564806), (2, 10782403), (17, 1268518), (29, 743614), (34, 634259), (58, 371807), (493, 43742), (986, 21871)]