21051785952

素因数分解:

$2^5\times 3^5\times {\mathrm{173}}^1\times {\mathrm{15649}}^1$

素因数の和:15847

約数の個数: 144

約数和(自身を含む): 62446129200

約数和(自身を除く): 41394343248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 173, 216, 243, 288, 324, 346, 432, 486, 519, 648, 692, 864, 972, 1038, 1296, 1384, 1557, 1944, 2076, 2592, 2768, 3114, 3888, 4152, 4671, 5536, 6228, 7776, 8304, 9342, 12456, 14013, 15649, 16608, 18684, 24912, 28026, 31298, 37368, 42039, 46947, 49824, 56052, 62596, 74736, 84078, 93894, 112104, 125192, 140841, 149472, 168156, 187788, 224208, 250384, 281682, 336312, 375576, 422523, 448416, 500768, 563364, 672624, 751152, 845046, 1126728, 1267569, 1345248, 1502304, 1690092, 2253456, 2535138, 2707277, 3380184, 3802707, 4506912, 5070276, 5414554, 6760368, 7605414, 8121831, 10140552, 10829108, 13520736, 15210828, 16243662, 20281104, 21658216, 24365493, 30421656, 32487324, 40562208, 43316432, 48730986, 60843312, 64974648, 73096479, 86632864, 97461972, 121686624, 129949296, 146192958, 194923944, 219289437, 259898592, 292385916, 389847888, 438578874, 584771832, 657868311, 779695776, 877157748, 1169543664, 1315736622, 1754315496, 2339087328, 2631473244, 3508630992, 5262946488, 7017261984, 10525892976, 21051785952]

約数ペア:

[(1, 21051785952), (2, 10525892976), (3, 7017261984), (4, 5262946488), (6, 3508630992), (8, 2631473244), (9, 2339087328), (12, 1754315496), (16, 1315736622), (18, 1169543664), (24, 877157748), (27, 779695776), (32, 657868311), (36, 584771832), (48, 438578874), (54, 389847888), (72, 292385916), (81, 259898592), (96, 219289437), (108, 194923944), (144, 146192958), (162, 129949296), (173, 121686624), (216, 97461972), (243, 86632864), (288, 73096479), (324, 64974648), (346, 60843312), (432, 48730986), (486, 43316432), (519, 40562208), (648, 32487324), (692, 30421656), (864, 24365493), (972, 21658216), (1038, 20281104), (1296, 16243662), (1384, 15210828), (1557, 13520736), (1944, 10829108), (2076, 10140552), (2592, 8121831), (2768, 7605414), (3114, 6760368), (3888, 5414554), (4152, 5070276), (4671, 4506912), (5536, 3802707), (6228, 3380184), (7776, 2707277), (8304, 2535138), (9342, 2253456), (12456, 1690092), (14013, 1502304), (15649, 1345248), (16608, 1267569), (18684, 1126728), (24912, 845046), (28026, 751152), (31298, 672624), (37368, 563364), (42039, 500768), (46947, 448416), (49824, 422523), (56052, 375576), (62596, 336312), (74736, 281682), (84078, 250384), (93894, 224208), (112104, 187788), (125192, 168156), (140841, 149472)]