21748320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1373}}^1$

素因数の和:1405

約数の個数: 144

約数和(自身を含む): 81022032

約数和(自身を除く): 59273712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1373, 1440, 1584, 1760, 1980, 2640, 2746, 3168, 3960, 4119, 5280, 5492, 6865, 7920, 8238, 10984, 12357, 13730, 15103, 15840, 16476, 20595, 21968, 24714, 27460, 30206, 32952, 41190, 43936, 45309, 49428, 54920, 60412, 61785, 65904, 75515, 82380, 90618, 98856, 109840, 120824, 123570, 131808, 135927, 151030, 164760, 181236, 197712, 219680, 226545, 241648, 247140, 271854, 302060, 329520, 362472, 395424, 453090, 483296, 494280, 543708, 604120, 659040, 679635, 724944, 906180, 988560, 1087416, 1208240, 1359270, 1449888, 1812360, 1977120, 2174832, 2416480, 2718540, 3624720, 4349664, 5437080, 7249440, 10874160, 21748320]

約数ペア:

[(1, 21748320), (2, 10874160), (3, 7249440), (4, 5437080), (5, 4349664), (6, 3624720), (8, 2718540), (9, 2416480), (10, 2174832), (11, 1977120), (12, 1812360), (15, 1449888), (16, 1359270), (18, 1208240), (20, 1087416), (22, 988560), (24, 906180), (30, 724944), (32, 679635), (33, 659040), (36, 604120), (40, 543708), (44, 494280), (45, 483296), (48, 453090), (55, 395424), (60, 362472), (66, 329520), (72, 302060), (80, 271854), (88, 247140), (90, 241648), (96, 226545), (99, 219680), (110, 197712), (120, 181236), (132, 164760), (144, 151030), (160, 135927), (165, 131808), (176, 123570), (180, 120824), (198, 109840), (220, 98856), (240, 90618), (264, 82380), (288, 75515), (330, 65904), (352, 61785), (360, 60412), (396, 54920), (440, 49428), (480, 45309), (495, 43936), (528, 41190), (660, 32952), (720, 30206), (792, 27460), (880, 24714), (990, 21968), (1056, 20595), (1320, 16476), (1373, 15840), (1440, 15103), (1584, 13730), (1760, 12357), (1980, 10984), (2640, 8238), (2746, 7920), (3168, 6865), (3960, 5492), (4119, 5280)]