20211209856

素因数分解:

$2^7\times 3^3\times {\mathrm{353}}^1\times {\mathrm{16567}}^1$

素因数の和:16943

約数の個数: 128

約数和(自身を含む): 59823734400

約数和(自身を除く): 39612524544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 288, 353, 384, 432, 576, 706, 864, 1059, 1152, 1412, 1728, 2118, 2824, 3177, 3456, 4236, 5648, 6354, 8472, 9531, 11296, 12708, 16567, 16944, 19062, 22592, 25416, 33134, 33888, 38124, 45184, 49701, 50832, 66268, 67776, 76248, 99402, 101664, 132536, 135552, 149103, 152496, 198804, 203328, 265072, 298206, 304992, 397608, 406656, 447309, 530144, 596412, 609984, 795216, 894618, 1060288, 1192824, 1219968, 1590432, 1789236, 2120576, 2385648, 3180864, 3578472, 4771296, 5848151, 6361728, 7156944, 9542592, 11696302, 14313888, 17544453, 19085184, 23392604, 28627776, 35088906, 46785208, 52633359, 57255552, 70177812, 93570416, 105266718, 140355624, 157900077, 187140832, 210533436, 280711248, 315800154, 374281664, 421066872, 561422496, 631600308, 748563328, 842133744, 1122844992, 1263200616, 1684267488, 2245689984, 2526401232, 3368534976, 5052802464, 6737069952, 10105604928, 20211209856]

約数ペア:

[(1, 20211209856), (2, 10105604928), (3, 6737069952), (4, 5052802464), (6, 3368534976), (8, 2526401232), (9, 2245689984), (12, 1684267488), (16, 1263200616), (18, 1122844992), (24, 842133744), (27, 748563328), (32, 631600308), (36, 561422496), (48, 421066872), (54, 374281664), (64, 315800154), (72, 280711248), (96, 210533436), (108, 187140832), (128, 157900077), (144, 140355624), (192, 105266718), (216, 93570416), (288, 70177812), (353, 57255552), (384, 52633359), (432, 46785208), (576, 35088906), (706, 28627776), (864, 23392604), (1059, 19085184), (1152, 17544453), (1412, 14313888), (1728, 11696302), (2118, 9542592), (2824, 7156944), (3177, 6361728), (3456, 5848151), (4236, 4771296), (5648, 3578472), (6354, 3180864), (8472, 2385648), (9531, 2120576), (11296, 1789236), (12708, 1590432), (16567, 1219968), (16944, 1192824), (19062, 1060288), (22592, 894618), (25416, 795216), (33134, 609984), (33888, 596412), (38124, 530144), (45184, 447309), (49701, 406656), (50832, 397608), (66268, 304992), (67776, 298206), (76248, 265072), (99402, 203328), (101664, 198804), (132536, 152496), (135552, 149103)]