21305232

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:645

約数の個数: 120

約数和(自身を含む): 67704000

約数和(自身を除く): 46398768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 72, 76, 78, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 304, 312, 342, 456, 468, 494, 599, 624, 684, 741, 912, 936, 988, 1198, 1368, 1482, 1797, 1872, 1976, 2223, 2396, 2736, 2964, 3594, 3952, 4446, 4792, 5391, 5928, 7188, 7787, 8892, 9584, 10782, 11381, 11856, 14376, 15574, 17784, 21564, 22762, 23361, 28752, 31148, 34143, 35568, 43128, 45524, 46722, 62296, 68286, 70083, 86256, 91048, 93444, 102429, 124592, 136572, 140166, 147953, 182096, 186888, 204858, 273144, 280332, 295906, 373776, 409716, 443859, 546288, 560664, 591812, 819432, 887718, 1121328, 1183624, 1331577, 1638864, 1775436, 2367248, 2663154, 3550872, 5326308, 7101744, 10652616, 21305232]

約数ペア:

[(1, 21305232), (2, 10652616), (3, 7101744), (4, 5326308), (6, 3550872), (8, 2663154), (9, 2367248), (12, 1775436), (13, 1638864), (16, 1331577), (18, 1183624), (19, 1121328), (24, 887718), (26, 819432), (36, 591812), (38, 560664), (39, 546288), (48, 443859), (52, 409716), (57, 373776), (72, 295906), (76, 280332), (78, 273144), (104, 204858), (114, 186888), (117, 182096), (144, 147953), (152, 140166), (156, 136572), (171, 124592), (208, 102429), (228, 93444), (234, 91048), (247, 86256), (304, 70083), (312, 68286), (342, 62296), (456, 46722), (468, 45524), (494, 43128), (599, 35568), (624, 34143), (684, 31148), (741, 28752), (912, 23361), (936, 22762), (988, 21564), (1198, 17784), (1368, 15574), (1482, 14376), (1797, 11856), (1872, 11381), (1976, 10782), (2223, 9584), (2396, 8892), (2736, 7787), (2964, 7188), (3594, 5928), (3952, 5391), (4446, 4792)]