21967396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{5147}}^1$

素因数の和:5259

約数の個数: 24

約数和(自身を含む): 42378336

約数和(自身を除く): 20410940

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 5147, 10294, 20588, 56617, 113234, 226468, 499259, 998518, 1997036, 5491849, 10983698, 21967396]

約数ペア:

[(1, 21967396), (2, 10983698), (4, 5491849), (11, 1997036), (22, 998518), (44, 499259), (97, 226468), (194, 113234), (388, 56617), (1067, 20588), (2134, 10294), (4268, 5147)]