21413808

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 200

約数和(自身を含む): 70578816

約数和(自身を除く): 49165008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 31, 36, 39, 41, 48, 52, 54, 62, 72, 78, 81, 82, 93, 104, 108, 117, 123, 124, 144, 156, 162, 164, 186, 208, 216, 234, 246, 248, 279, 312, 324, 328, 351, 369, 372, 403, 432, 468, 492, 496, 533, 558, 624, 648, 656, 702, 738, 744, 806, 837, 936, 984, 1053, 1066, 1107, 1116, 1209, 1271, 1296, 1404, 1476, 1488, 1599, 1612, 1674, 1872, 1968, 2106, 2132, 2214, 2232, 2418, 2511, 2542, 2808, 2952, 3198, 3224, 3321, 3348, 3627, 3813, 4212, 4264, 4428, 4464, 4797, 4836, 5022, 5084, 5616, 5904, 6396, 6448, 6642, 6696, 7254, 7626, 8424, 8528, 8856, 9594, 9672, 10044, 10168, 10881, 11439, 12792, 13284, 13392, 14391, 14508, 15252, 16523, 16848, 17712, 19188, 19344, 20088, 20336, 21762, 22878, 25584, 26568, 28782, 29016, 30504, 32643, 33046, 34317, 38376, 40176, 43173, 43524, 45756, 49569, 53136, 57564, 58032, 61008, 65286, 66092, 68634, 76752, 86346, 87048, 91512, 99138, 102951, 115128, 130572, 132184, 137268, 148707, 172692, 174096, 183024, 198276, 205902, 230256, 261144, 264368, 274536, 297414, 345384, 396552, 411804, 446121, 522288, 549072, 594828, 690768, 793104, 823608, 892242, 1189656, 1338363, 1647216, 1784484, 2379312, 2676726, 3568968, 5353452, 7137936, 10706904, 21413808]

約数ペア:

[(1, 21413808), (2, 10706904), (3, 7137936), (4, 5353452), (6, 3568968), (8, 2676726), (9, 2379312), (12, 1784484), (13, 1647216), (16, 1338363), (18, 1189656), (24, 892242), (26, 823608), (27, 793104), (31, 690768), (36, 594828), (39, 549072), (41, 522288), (48, 446121), (52, 411804), (54, 396552), (62, 345384), (72, 297414), (78, 274536), (81, 264368), (82, 261144), (93, 230256), (104, 205902), (108, 198276), (117, 183024), (123, 174096), (124, 172692), (144, 148707), (156, 137268), (162, 132184), (164, 130572), (186, 115128), (208, 102951), (216, 99138), (234, 91512), (246, 87048), (248, 86346), (279, 76752), (312, 68634), (324, 66092), (328, 65286), (351, 61008), (369, 58032), (372, 57564), (403, 53136), (432, 49569), (468, 45756), (492, 43524), (496, 43173), (533, 40176), (558, 38376), (624, 34317), (648, 33046), (656, 32643), (702, 30504), (738, 29016), (744, 28782), (806, 26568), (837, 25584), (936, 22878), (984, 21762), (1053, 20336), (1066, 20088), (1107, 19344), (1116, 19188), (1209, 17712), (1271, 16848), (1296, 16523), (1404, 15252), (1476, 14508), (1488, 14391), (1599, 13392), (1612, 13284), (1674, 12792), (1872, 11439), (1968, 10881), (2106, 10168), (2132, 10044), (2214, 9672), (2232, 9594), (2418, 8856), (2511, 8528), (2542, 8424), (2808, 7626), (2952, 7254), (3198, 6696), (3224, 6642), (3321, 6448), (3348, 6396), (3627, 5904), (3813, 5616), (4212, 5084), (4264, 5022), (4428, 4836), (4464, 4797)]