21496482

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 37601118

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 37, 42, 53, 54, 58, 63, 74, 87, 106, 111, 126, 159, 174, 189, 203, 222, 259, 261, 318, 333, 371, 378, 406, 477, 518, 522, 609, 666, 742, 777, 783, 954, 999, 1073, 1113, 1218, 1431, 1537, 1554, 1566, 1827, 1961, 1998, 2146, 2226, 2331, 2862, 3074, 3219, 3339, 3654, 3922, 4611, 4662, 5481, 5883, 6438, 6678, 6993, 7511, 9222, 9657, 10017, 10759, 10962, 11766, 13727, 13833, 13986, 15022, 17649, 19314, 20034, 21518, 22533, 27454, 27666, 28971, 32277, 35298, 41181, 41499, 45066, 52947, 56869, 57942, 64554, 67599, 82362, 82998, 96831, 105894, 113738, 123543, 135198, 170607, 193662, 202797, 247086, 290493, 341214, 370629, 398083, 405594, 511821, 580986, 741258, 796166, 1023642, 1194249, 1535463, 2388498, 3070926, 3582747, 7165494, 10748241, 21496482]

約数ペア:

[(1, 21496482), (2, 10748241), (3, 7165494), (6, 3582747), (7, 3070926), (9, 2388498), (14, 1535463), (18, 1194249), (21, 1023642), (27, 796166), (29, 741258), (37, 580986), (42, 511821), (53, 405594), (54, 398083), (58, 370629), (63, 341214), (74, 290493), (87, 247086), (106, 202797), (111, 193662), (126, 170607), (159, 135198), (174, 123543), (189, 113738), (203, 105894), (222, 96831), (259, 82998), (261, 82362), (318, 67599), (333, 64554), (371, 57942), (378, 56869), (406, 52947), (477, 45066), (518, 41499), (522, 41181), (609, 35298), (666, 32277), (742, 28971), (777, 27666), (783, 27454), (954, 22533), (999, 21518), (1073, 20034), (1113, 19314), (1218, 17649), (1431, 15022), (1537, 13986), (1554, 13833), (1566, 13727), (1827, 11766), (1961, 10962), (1998, 10759), (2146, 10017), (2226, 9657), (2331, 9222), (2862, 7511), (3074, 6993), (3219, 6678), (3339, 6438), (3654, 5883), (3922, 5481), (4611, 4662)]