21218866848

素因数分解:

$2^5\times 3^2\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{3631}}^1$

素因数の和:3947

約数の個数: 144

約数和(自身を含む): 61253127936

約数和(自身を除く): 40034261088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 103, 144, 197, 206, 288, 309, 394, 412, 591, 618, 788, 824, 927, 1182, 1236, 1576, 1648, 1773, 1854, 2364, 2472, 3152, 3296, 3546, 3631, 3708, 4728, 4944, 6304, 7092, 7262, 7416, 9456, 9888, 10893, 14184, 14524, 14832, 18912, 20291, 21786, 28368, 29048, 29664, 32679, 40582, 43572, 56736, 58096, 60873, 65358, 81164, 87144, 116192, 121746, 130716, 162328, 174288, 182619, 243492, 261432, 324656, 348576, 365238, 373993, 486984, 522864, 649312, 715307, 730476, 747986, 973968, 1045728, 1121979, 1430614, 1460952, 1495972, 1947936, 2145921, 2243958, 2861228, 2921904, 2991944, 3365937, 4291842, 4487916, 5722456, 5843808, 5983888, 6437763, 6731874, 8583684, 8975832, 11444912, 11967776, 12875526, 13463748, 17167368, 17951664, 22889824, 25751052, 26927496, 34334736, 35903328, 51502104, 53854992, 68669472, 73676621, 103004208, 107709984, 147353242, 206008416, 221029863, 294706484, 442059726, 589412968, 663089589, 884119452, 1178825936, 1326179178, 1768238904, 2357651872, 2652358356, 3536477808, 5304716712, 7072955616, 10609433424, 21218866848]

約数ペア:

[(1, 21218866848), (2, 10609433424), (3, 7072955616), (4, 5304716712), (6, 3536477808), (8, 2652358356), (9, 2357651872), (12, 1768238904), (16, 1326179178), (18, 1178825936), (24, 884119452), (32, 663089589), (36, 589412968), (48, 442059726), (72, 294706484), (96, 221029863), (103, 206008416), (144, 147353242), (197, 107709984), (206, 103004208), (288, 73676621), (309, 68669472), (394, 53854992), (412, 51502104), (591, 35903328), (618, 34334736), (788, 26927496), (824, 25751052), (927, 22889824), (1182, 17951664), (1236, 17167368), (1576, 13463748), (1648, 12875526), (1773, 11967776), (1854, 11444912), (2364, 8975832), (2472, 8583684), (3152, 6731874), (3296, 6437763), (3546, 5983888), (3631, 5843808), (3708, 5722456), (4728, 4487916), (4944, 4291842), (6304, 3365937), (7092, 2991944), (7262, 2921904), (7416, 2861228), (9456, 2243958), (9888, 2145921), (10893, 1947936), (14184, 1495972), (14524, 1460952), (14832, 1430614), (18912, 1121979), (20291, 1045728), (21786, 973968), (28368, 747986), (29048, 730476), (29664, 715307), (32679, 649312), (40582, 522864), (43572, 486984), (56736, 373993), (58096, 365238), (60873, 348576), (65358, 324656), (81164, 261432), (87144, 243492), (116192, 182619), (121746, 174288), (130716, 162328)]