21404088

素因数分解:

$2^3\times 3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:131

約数の個数: 160

約数和(自身を含む): 66646800

約数和(自身を除く): 45242712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 29, 34, 36, 51, 54, 58, 67, 68, 72, 81, 87, 102, 108, 116, 134, 136, 153, 162, 174, 201, 204, 216, 232, 261, 268, 306, 324, 348, 402, 408, 459, 493, 522, 536, 603, 612, 648, 696, 783, 804, 918, 986, 1044, 1139, 1206, 1224, 1377, 1479, 1566, 1608, 1809, 1836, 1943, 1972, 2088, 2278, 2349, 2412, 2754, 2958, 3132, 3417, 3618, 3672, 3886, 3944, 4437, 4556, 4698, 4824, 5427, 5508, 5829, 5916, 6264, 6834, 7236, 7772, 8874, 9112, 9396, 10251, 10854, 11016, 11658, 11832, 13311, 13668, 14472, 15544, 17487, 17748, 18792, 20502, 21708, 23316, 26622, 27336, 30753, 33031, 34974, 35496, 39933, 41004, 43416, 46632, 52461, 53244, 61506, 66062, 69948, 79866, 82008, 92259, 99093, 104922, 106488, 123012, 132124, 139896, 157383, 159732, 184518, 198186, 209844, 246024, 264248, 297279, 314766, 319464, 369036, 396372, 419688, 594558, 629532, 738072, 792744, 891837, 1189116, 1259064, 1783674, 2378232, 2675511, 3567348, 5351022, 7134696, 10702044, 21404088]

約数ペア:

[(1, 21404088), (2, 10702044), (3, 7134696), (4, 5351022), (6, 3567348), (8, 2675511), (9, 2378232), (12, 1783674), (17, 1259064), (18, 1189116), (24, 891837), (27, 792744), (29, 738072), (34, 629532), (36, 594558), (51, 419688), (54, 396372), (58, 369036), (67, 319464), (68, 314766), (72, 297279), (81, 264248), (87, 246024), (102, 209844), (108, 198186), (116, 184518), (134, 159732), (136, 157383), (153, 139896), (162, 132124), (174, 123012), (201, 106488), (204, 104922), (216, 99093), (232, 92259), (261, 82008), (268, 79866), (306, 69948), (324, 66062), (348, 61506), (402, 53244), (408, 52461), (459, 46632), (493, 43416), (522, 41004), (536, 39933), (603, 35496), (612, 34974), (648, 33031), (696, 30753), (783, 27336), (804, 26622), (918, 23316), (986, 21708), (1044, 20502), (1139, 18792), (1206, 17748), (1224, 17487), (1377, 15544), (1479, 14472), (1566, 13668), (1608, 13311), (1809, 11832), (1836, 11658), (1943, 11016), (1972, 10854), (2088, 10251), (2278, 9396), (2349, 9112), (2412, 8874), (2754, 7772), (2958, 7236), (3132, 6834), (3417, 6264), (3618, 5916), (3672, 5829), (3886, 5508), (3944, 5427), (4437, 4824), (4556, 4698)]