21032640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 168

約数和(自身を含む): 74096880

約数和(自身を除く): 53064240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 67, 72, 80, 90, 96, 109, 120, 134, 144, 160, 180, 192, 201, 218, 240, 268, 288, 320, 327, 335, 360, 402, 436, 480, 536, 545, 576, 603, 654, 670, 720, 804, 872, 960, 981, 1005, 1072, 1090, 1206, 1308, 1340, 1440, 1608, 1635, 1744, 1962, 2010, 2144, 2180, 2412, 2616, 2680, 2880, 3015, 3216, 3270, 3488, 3924, 4020, 4288, 4360, 4824, 4905, 5232, 5360, 6030, 6432, 6540, 6976, 7303, 7848, 8040, 8720, 9648, 9810, 10464, 10720, 12060, 12864, 13080, 14606, 15696, 16080, 17440, 19296, 19620, 20928, 21440, 21909, 24120, 26160, 29212, 31392, 32160, 34880, 36515, 38592, 39240, 43818, 48240, 52320, 58424, 62784, 64320, 65727, 73030, 78480, 87636, 96480, 104640, 109545, 116848, 131454, 146060, 156960, 175272, 192960, 219090, 233696, 262908, 292120, 313920, 328635, 350544, 438180, 467392, 525816, 584240, 657270, 701088, 876360, 1051632, 1168480, 1314540, 1402176, 1752720, 2103264, 2336960, 2629080, 3505440, 4206528, 5258160, 7010880, 10516320, 21032640]

約数ペア:

[(1, 21032640), (2, 10516320), (3, 7010880), (4, 5258160), (5, 4206528), (6, 3505440), (8, 2629080), (9, 2336960), (10, 2103264), (12, 1752720), (15, 1402176), (16, 1314540), (18, 1168480), (20, 1051632), (24, 876360), (30, 701088), (32, 657270), (36, 584240), (40, 525816), (45, 467392), (48, 438180), (60, 350544), (64, 328635), (67, 313920), (72, 292120), (80, 262908), (90, 233696), (96, 219090), (109, 192960), (120, 175272), (134, 156960), (144, 146060), (160, 131454), (180, 116848), (192, 109545), (201, 104640), (218, 96480), (240, 87636), (268, 78480), (288, 73030), (320, 65727), (327, 64320), (335, 62784), (360, 58424), (402, 52320), (436, 48240), (480, 43818), (536, 39240), (545, 38592), (576, 36515), (603, 34880), (654, 32160), (670, 31392), (720, 29212), (804, 26160), (872, 24120), (960, 21909), (981, 21440), (1005, 20928), (1072, 19620), (1090, 19296), (1206, 17440), (1308, 16080), (1340, 15696), (1440, 14606), (1608, 13080), (1635, 12864), (1744, 12060), (1962, 10720), (2010, 10464), (2144, 9810), (2180, 9648), (2412, 8720), (2616, 8040), (2680, 7848), (2880, 7303), (3015, 6976), (3216, 6540), (3270, 6432), (3488, 6030), (3924, 5360), (4020, 5232), (4288, 4905), (4360, 4824)]