21211508745

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{3187}}^1\times {\mathrm{7043}}^1$

素因数の和:10251

約数の個数: 64

約数和(自身を含む): 43116042240

約数和(自身を除く): 21904533495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 3187, 7043, 9561, 15935, 21129, 22309, 28683, 35215, 47805, 49301, 63387, 66927, 86049, 105645, 111545, 143415, 147903, 190161, 200781, 246505, 316935, 334635, 430245, 443709, 602343, 739515, 950805, 1003905, 1331127, 2218545, 3011715, 6655635, 22446041, 67338123, 112230205, 157122287, 202014369, 336690615, 471366861, 606043107, 785611435, 1010071845, 1414100583, 2356834305, 3030215535, 4242301749, 7070502915, 21211508745]

約数ペア:

[(1, 21211508745), (3, 7070502915), (5, 4242301749), (7, 3030215535), (9, 2356834305), (15, 1414100583), (21, 1010071845), (27, 785611435), (35, 606043107), (45, 471366861), (63, 336690615), (105, 202014369), (135, 157122287), (189, 112230205), (315, 67338123), (945, 22446041), (3187, 6655635), (7043, 3011715), (9561, 2218545), (15935, 1331127), (21129, 1003905), (22309, 950805), (28683, 739515), (35215, 602343), (47805, 443709), (49301, 430245), (63387, 334635), (66927, 316935), (86049, 246505), (105645, 200781), (111545, 190161), (143415, 147903)]