21520198

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4759}}^1$

素因数の和:4804

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 19606202

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4522, 4759, 9518, 33313, 66626, 80903, 90421, 161806, 180842, 566321, 632947, 1132642, 1265894, 1537157, 3074314, 10760099, 21520198]

約数ペア:

[(1, 21520198), (2, 10760099), (7, 3074314), (14, 1537157), (17, 1265894), (19, 1132642), (34, 632947), (38, 566321), (119, 180842), (133, 161806), (238, 90421), (266, 80903), (323, 66626), (646, 33313), (2261, 9518), (4522, 4759)]