21360313

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5087}}^1$

素因数の和:5136

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 4283207

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 5087, 66131, 86479, 96653, 1124227, 1256489, 1643101, 21360313]

約数ペア:

[(1, 21360313), (13, 1643101), (17, 1256489), (19, 1124227), (221, 96653), (247, 86479), (323, 66131), (4199, 5087)]