21726306

素因数分解:

$2^1\times 3^4\times 7^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:75

約数の個数: 160

約数和(自身を含む): 62726400

約数和(自身を除く): 41000094

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 23, 27, 34, 42, 46, 49, 51, 54, 63, 69, 81, 98, 102, 119, 126, 138, 147, 153, 161, 162, 189, 207, 238, 294, 306, 322, 343, 357, 378, 391, 414, 441, 459, 483, 567, 621, 686, 714, 782, 833, 882, 918, 966, 1029, 1071, 1127, 1134, 1173, 1242, 1323, 1377, 1449, 1666, 1863, 2058, 2142, 2254, 2346, 2499, 2646, 2737, 2754, 2898, 3087, 3213, 3381, 3519, 3726, 3969, 4347, 4998, 5474, 5831, 6174, 6426, 6762, 7038, 7497, 7889, 7938, 8211, 8694, 9261, 9639, 10143, 10557, 11662, 13041, 14994, 15778, 16422, 17493, 18522, 19159, 19278, 20286, 21114, 22491, 23667, 24633, 26082, 27783, 30429, 31671, 34986, 38318, 44982, 47334, 49266, 52479, 55566, 57477, 60858, 63342, 67473, 71001, 73899, 91287, 104958, 114954, 134113, 134946, 142002, 147798, 157437, 172431, 182574, 213003, 221697, 268226, 314874, 344862, 402339, 426006, 443394, 472311, 517293, 639009, 804678, 944622, 1034586, 1207017, 1278018, 1551879, 2414034, 3103758, 3621051, 7242102, 10863153, 21726306]

約数ペア:

[(1, 21726306), (2, 10863153), (3, 7242102), (6, 3621051), (7, 3103758), (9, 2414034), (14, 1551879), (17, 1278018), (18, 1207017), (21, 1034586), (23, 944622), (27, 804678), (34, 639009), (42, 517293), (46, 472311), (49, 443394), (51, 426006), (54, 402339), (63, 344862), (69, 314874), (81, 268226), (98, 221697), (102, 213003), (119, 182574), (126, 172431), (138, 157437), (147, 147798), (153, 142002), (161, 134946), (162, 134113), (189, 114954), (207, 104958), (238, 91287), (294, 73899), (306, 71001), (322, 67473), (343, 63342), (357, 60858), (378, 57477), (391, 55566), (414, 52479), (441, 49266), (459, 47334), (483, 44982), (567, 38318), (621, 34986), (686, 31671), (714, 30429), (782, 27783), (833, 26082), (882, 24633), (918, 23667), (966, 22491), (1029, 21114), (1071, 20286), (1127, 19278), (1134, 19159), (1173, 18522), (1242, 17493), (1323, 16422), (1377, 15778), (1449, 14994), (1666, 13041), (1863, 11662), (2058, 10557), (2142, 10143), (2254, 9639), (2346, 9261), (2499, 8694), (2646, 8211), (2737, 7938), (2754, 7889), (2898, 7497), (3087, 7038), (3213, 6762), (3381, 6426), (3519, 6174), (3726, 5831), (3969, 5474), (4347, 4998)]