21848689

素因数分解:

${\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 25640640

約数和(自身を除く): 3791951

約数列:

[1, 17, 19, 23, 173, 289, 323, 391, 437, 2941, 3287, 3979, 5491, 6647, 7429, 49997, 55879, 67643, 75601, 126293, 949943, 1149931, 1285217, 21848689]

約数ペア:

[(1, 21848689), (17, 1285217), (19, 1149931), (23, 949943), (173, 126293), (289, 75601), (323, 67643), (391, 55879), (437, 49997), (2941, 7429), (3287, 6647), (3979, 5491)]