21346605

素因数分解:

$3^3\times 5^1\times 7^3\times {\mathrm{461}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 44352000

約数和(自身を除く): 23005395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 343, 441, 461, 735, 945, 1029, 1323, 1383, 1715, 2205, 2305, 3087, 3227, 4149, 5145, 6615, 6915, 9261, 9681, 12447, 15435, 16135, 20745, 22589, 29043, 46305, 48405, 62235, 67767, 87129, 112945, 145215, 158123, 203301, 338835, 435645, 474369, 609903, 790615, 1016505, 1423107, 2371845, 3049515, 4269321, 7115535, 21346605]

約数ペア:

[(1, 21346605), (3, 7115535), (5, 4269321), (7, 3049515), (9, 2371845), (15, 1423107), (21, 1016505), (27, 790615), (35, 609903), (45, 474369), (49, 435645), (63, 338835), (105, 203301), (135, 158123), (147, 145215), (189, 112945), (245, 87129), (315, 67767), (343, 62235), (441, 48405), (461, 46305), (735, 29043), (945, 22589), (1029, 20745), (1323, 16135), (1383, 15435), (1715, 12447), (2205, 9681), (2305, 9261), (3087, 6915), (3227, 6615), (4149, 5145)]