21766191

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{5231}}^1$

素因数の和:5326

約数の個数: 16

約数和(自身を含む): 30973440

約数和(自身を除く): 9207249

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 5231, 15693, 99389, 298167, 381863, 1145589, 7255397, 21766191]

約数ペア:

[(1, 21766191), (3, 7255397), (19, 1145589), (57, 381863), (73, 298167), (219, 99389), (1387, 15693), (4161, 5231)]