21411432

素因数分解:

$2^3\times 3^3\times 7^3\times {\mathrm{17}}^2$

素因数の和:70

約数の個数: 192

約数和(自身を含む): 73680000

約数和(自身を除く): 52268568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 49, 51, 54, 56, 63, 68, 72, 84, 98, 102, 108, 119, 126, 136, 147, 153, 168, 189, 196, 204, 216, 238, 252, 289, 294, 306, 343, 357, 378, 392, 408, 441, 459, 476, 504, 578, 588, 612, 686, 714, 756, 833, 867, 882, 918, 952, 1029, 1071, 1156, 1176, 1224, 1323, 1372, 1428, 1512, 1666, 1734, 1764, 1836, 2023, 2058, 2142, 2312, 2499, 2601, 2646, 2744, 2856, 3087, 3213, 3332, 3468, 3528, 3672, 4046, 4116, 4284, 4998, 5202, 5292, 5831, 6069, 6174, 6426, 6664, 6936, 7497, 7803, 8092, 8232, 8568, 9261, 9996, 10404, 10584, 11662, 12138, 12348, 12852, 14161, 14994, 15606, 16184, 17493, 18207, 18522, 19992, 20808, 22491, 23324, 24276, 24696, 25704, 28322, 29988, 31212, 34986, 36414, 37044, 42483, 44982, 46648, 48552, 52479, 54621, 56644, 59976, 62424, 69972, 72828, 74088, 84966, 89964, 99127, 104958, 109242, 113288, 127449, 139944, 145656, 157437, 169932, 179928, 198254, 209916, 218484, 254898, 297381, 314874, 339864, 382347, 396508, 419832, 436968, 509796, 594762, 629748, 764694, 793016, 892143, 1019592, 1189524, 1259496, 1529388, 1784286, 2379048, 2676429, 3058776, 3568572, 5352858, 7137144, 10705716, 21411432]

約数ペア:

[(1, 21411432), (2, 10705716), (3, 7137144), (4, 5352858), (6, 3568572), (7, 3058776), (8, 2676429), (9, 2379048), (12, 1784286), (14, 1529388), (17, 1259496), (18, 1189524), (21, 1019592), (24, 892143), (27, 793016), (28, 764694), (34, 629748), (36, 594762), (42, 509796), (49, 436968), (51, 419832), (54, 396508), (56, 382347), (63, 339864), (68, 314874), (72, 297381), (84, 254898), (98, 218484), (102, 209916), (108, 198254), (119, 179928), (126, 169932), (136, 157437), (147, 145656), (153, 139944), (168, 127449), (189, 113288), (196, 109242), (204, 104958), (216, 99127), (238, 89964), (252, 84966), (289, 74088), (294, 72828), (306, 69972), (343, 62424), (357, 59976), (378, 56644), (392, 54621), (408, 52479), (441, 48552), (459, 46648), (476, 44982), (504, 42483), (578, 37044), (588, 36414), (612, 34986), (686, 31212), (714, 29988), (756, 28322), (833, 25704), (867, 24696), (882, 24276), (918, 23324), (952, 22491), (1029, 20808), (1071, 19992), (1156, 18522), (1176, 18207), (1224, 17493), (1323, 16184), (1372, 15606), (1428, 14994), (1512, 14161), (1666, 12852), (1734, 12348), (1764, 12138), (1836, 11662), (2023, 10584), (2058, 10404), (2142, 9996), (2312, 9261), (2499, 8568), (2601, 8232), (2646, 8092), (2744, 7803), (2856, 7497), (3087, 6936), (3213, 6664), (3332, 6426), (3468, 6174), (3528, 6069), (3672, 5831), (4046, 5292), (4116, 5202), (4284, 4998)]