21021364

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57751}}^1$

素因数の和:57775

約数の個数: 24

約数和(自身を含む): 45277568

約数和(自身を除く): 24256204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57751, 115502, 231004, 404257, 750763, 808514, 1501526, 1617028, 3003052, 5255341, 10510682, 21021364]

約数ペア:

[(1, 21021364), (2, 10510682), (4, 5255341), (7, 3003052), (13, 1617028), (14, 1501526), (26, 808514), (28, 750763), (52, 404257), (91, 231004), (182, 115502), (364, 57751)]