21833525

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 33747840

約数和(自身を除く): 11914315

約数列:

[1, 5, 7, 17, 25, 35, 41, 85, 119, 175, 179, 205, 287, 425, 595, 697, 895, 1025, 1253, 1435, 2975, 3043, 3485, 4475, 4879, 6265, 7175, 7339, 15215, 17425, 21301, 24395, 31325, 36695, 51373, 76075, 106505, 121975, 124763, 183475, 256865, 532525, 623815, 873341, 1284325, 3119075, 4366705, 21833525]

約数ペア:

[(1, 21833525), (5, 4366705), (7, 3119075), (17, 1284325), (25, 873341), (35, 623815), (41, 532525), (85, 256865), (119, 183475), (175, 124763), (179, 121975), (205, 106505), (287, 76075), (425, 51373), (595, 36695), (697, 31325), (895, 24395), (1025, 21301), (1253, 17425), (1435, 15215), (2975, 7339), (3043, 7175), (3485, 6265), (4475, 4879)]