22721265

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4243}}^1$

素因数の和:4278

約数の個数: 48

約数和(自身を含む): 47668608

約数和(自身を除く): 24947343

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 4243, 5355, 12729, 21215, 29701, 38187, 63645, 72131, 89103, 148505, 190935, 216393, 267309, 360655, 445515, 504917, 649179, 1081965, 1336545, 1514751, 2524585, 3245895, 4544253, 7573755, 22721265]

約数ペア:

[(1, 22721265), (3, 7573755), (5, 4544253), (7, 3245895), (9, 2524585), (15, 1514751), (17, 1336545), (21, 1081965), (35, 649179), (45, 504917), (51, 445515), (63, 360655), (85, 267309), (105, 216393), (119, 190935), (153, 148505), (255, 89103), (315, 72131), (357, 63645), (595, 38187), (765, 29701), (1071, 21215), (1785, 12729), (4243, 5355)]