21460320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{2129}}^1$

素因数の和:2157

約数の個数: 144

約数和(自身を含む): 83734560

約数和(自身を除く): 62274240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2129, 2520, 3360, 4258, 5040, 6387, 8516, 10080, 10645, 12774, 14903, 17032, 19161, 21290, 25548, 29806, 31935, 34064, 38322, 42580, 44709, 51096, 59612, 63870, 68128, 74515, 76644, 85160, 89418, 95805, 102192, 119224, 127740, 134127, 149030, 153288, 170320, 178836, 191610, 204384, 223545, 238448, 255480, 268254, 298060, 306576, 340640, 357672, 383220, 447090, 476896, 510960, 536508, 596120, 613152, 670635, 715344, 766440, 894180, 1021920, 1073016, 1192240, 1341270, 1430688, 1532880, 1788360, 2146032, 2384480, 2682540, 3065760, 3576720, 4292064, 5365080, 7153440, 10730160, 21460320]

約数ペア:

[(1, 21460320), (2, 10730160), (3, 7153440), (4, 5365080), (5, 4292064), (6, 3576720), (7, 3065760), (8, 2682540), (9, 2384480), (10, 2146032), (12, 1788360), (14, 1532880), (15, 1430688), (16, 1341270), (18, 1192240), (20, 1073016), (21, 1021920), (24, 894180), (28, 766440), (30, 715344), (32, 670635), (35, 613152), (36, 596120), (40, 536508), (42, 510960), (45, 476896), (48, 447090), (56, 383220), (60, 357672), (63, 340640), (70, 306576), (72, 298060), (80, 268254), (84, 255480), (90, 238448), (96, 223545), (105, 204384), (112, 191610), (120, 178836), (126, 170320), (140, 153288), (144, 149030), (160, 134127), (168, 127740), (180, 119224), (210, 102192), (224, 95805), (240, 89418), (252, 85160), (280, 76644), (288, 74515), (315, 68128), (336, 63870), (360, 59612), (420, 51096), (480, 44709), (504, 42580), (560, 38322), (630, 34064), (672, 31935), (720, 29806), (840, 25548), (1008, 21290), (1120, 19161), (1260, 17032), (1440, 14903), (1680, 12774), (2016, 10645), (2129, 10080), (2520, 8516), (3360, 6387), (4258, 5040)]