21746880

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{839}}^1$

素因数の和:868

約数の個数: 140

約数和(自身を含む): 77449680

約数和(自身を除く): 55702800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 839, 864, 960, 1080, 1296, 1440, 1620, 1678, 1728, 2160, 2517, 2592, 2880, 3240, 3356, 4195, 4320, 5034, 5184, 6480, 6712, 7551, 8390, 8640, 10068, 12585, 12960, 13424, 15102, 16780, 20136, 22653, 25170, 25920, 26848, 30204, 33560, 37755, 40272, 45306, 50340, 53696, 60408, 67120, 67959, 75510, 80544, 90612, 100680, 113265, 120816, 134240, 135918, 151020, 161088, 181224, 201360, 226530, 241632, 268480, 271836, 302040, 339795, 362448, 402720, 453060, 483264, 543672, 604080, 679590, 724896, 805440, 906120, 1087344, 1208160, 1359180, 1449792, 1812240, 2174688, 2416320, 2718360, 3624480, 4349376, 5436720, 7248960, 10873440, 21746880]

約数ペア:

[(1, 21746880), (2, 10873440), (3, 7248960), (4, 5436720), (5, 4349376), (6, 3624480), (8, 2718360), (9, 2416320), (10, 2174688), (12, 1812240), (15, 1449792), (16, 1359180), (18, 1208160), (20, 1087344), (24, 906120), (27, 805440), (30, 724896), (32, 679590), (36, 604080), (40, 543672), (45, 483264), (48, 453060), (54, 402720), (60, 362448), (64, 339795), (72, 302040), (80, 271836), (81, 268480), (90, 241632), (96, 226530), (108, 201360), (120, 181224), (135, 161088), (144, 151020), (160, 135918), (162, 134240), (180, 120816), (192, 113265), (216, 100680), (240, 90612), (270, 80544), (288, 75510), (320, 67959), (324, 67120), (360, 60408), (405, 53696), (432, 50340), (480, 45306), (540, 40272), (576, 37755), (648, 33560), (720, 30204), (810, 26848), (839, 25920), (864, 25170), (960, 22653), (1080, 20136), (1296, 16780), (1440, 15102), (1620, 13424), (1678, 12960), (1728, 12585), (2160, 10068), (2517, 8640), (2592, 8390), (2880, 7551), (3240, 6712), (3356, 6480), (4195, 5184), (4320, 5034)]