21552426

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 59535360

約数和(自身を除く): 37982934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 37, 42, 46, 54, 63, 67, 69, 74, 111, 126, 134, 138, 161, 189, 201, 207, 222, 259, 322, 333, 378, 402, 414, 469, 483, 518, 603, 621, 666, 777, 851, 938, 966, 999, 1206, 1242, 1407, 1449, 1541, 1554, 1702, 1809, 1998, 2331, 2479, 2553, 2814, 2898, 3082, 3618, 4221, 4347, 4623, 4662, 4958, 5106, 5957, 6993, 7437, 7659, 8442, 8694, 9246, 10787, 11914, 12663, 13869, 13986, 14874, 15318, 17353, 17871, 21574, 22311, 22977, 25326, 27738, 32361, 34706, 35742, 41607, 44622, 45954, 52059, 53613, 57017, 64722, 66933, 83214, 97083, 104118, 107226, 114034, 133866, 156177, 160839, 171051, 194166, 291249, 312354, 321678, 342102, 399119, 468531, 513153, 582498, 798238, 937062, 1026306, 1197357, 1539459, 2394714, 3078918, 3592071, 7184142, 10776213, 21552426]

約数ペア:

[(1, 21552426), (2, 10776213), (3, 7184142), (6, 3592071), (7, 3078918), (9, 2394714), (14, 1539459), (18, 1197357), (21, 1026306), (23, 937062), (27, 798238), (37, 582498), (42, 513153), (46, 468531), (54, 399119), (63, 342102), (67, 321678), (69, 312354), (74, 291249), (111, 194166), (126, 171051), (134, 160839), (138, 156177), (161, 133866), (189, 114034), (201, 107226), (207, 104118), (222, 97083), (259, 83214), (322, 66933), (333, 64722), (378, 57017), (402, 53613), (414, 52059), (469, 45954), (483, 44622), (518, 41607), (603, 35742), (621, 34706), (666, 32361), (777, 27738), (851, 25326), (938, 22977), (966, 22311), (999, 21574), (1206, 17871), (1242, 17353), (1407, 15318), (1449, 14874), (1541, 13986), (1554, 13869), (1702, 12663), (1809, 11914), (1998, 10787), (2331, 9246), (2479, 8694), (2553, 8442), (2814, 7659), (2898, 7437), (3082, 6993), (3618, 5957), (4221, 5106), (4347, 4958), (4623, 4662)]