21961036

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2861}}^1$

素因数の和:2985

約数の個数: 24

約数和(自身を含む): 40869360

約数和(自身を除く): 18908324

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 2861, 3838, 5722, 7676, 11444, 54359, 108718, 217436, 288961, 577922, 1155844, 5490259, 10980518, 21961036]

約数ペア:

[(1, 21961036), (2, 10980518), (4, 5490259), (19, 1155844), (38, 577922), (76, 288961), (101, 217436), (202, 108718), (404, 54359), (1919, 11444), (2861, 7676), (3838, 5722)]