21124656

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1143

約数の個数: 120

約数和(自身を含む): 71185920

約数和(自身を除く): 50061264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 112, 114, 126, 133, 144, 152, 168, 171, 228, 252, 266, 304, 336, 342, 399, 456, 504, 532, 684, 798, 912, 1008, 1064, 1103, 1197, 1368, 1596, 2128, 2206, 2394, 2736, 3192, 3309, 4412, 4788, 6384, 6618, 7721, 8824, 9576, 9927, 13236, 15442, 17648, 19152, 19854, 20957, 23163, 26472, 30884, 39708, 41914, 46326, 52944, 61768, 62871, 69489, 79416, 83828, 92652, 123536, 125742, 138978, 146699, 158832, 167656, 185304, 188613, 251484, 277956, 293398, 335312, 370608, 377226, 440097, 502968, 555912, 586796, 754452, 880194, 1005936, 1111824, 1173592, 1320291, 1508904, 1760388, 2347184, 2640582, 3017808, 3520776, 5281164, 7041552, 10562328, 21124656]

約数ペア:

[(1, 21124656), (2, 10562328), (3, 7041552), (4, 5281164), (6, 3520776), (7, 3017808), (8, 2640582), (9, 2347184), (12, 1760388), (14, 1508904), (16, 1320291), (18, 1173592), (19, 1111824), (21, 1005936), (24, 880194), (28, 754452), (36, 586796), (38, 555912), (42, 502968), (48, 440097), (56, 377226), (57, 370608), (63, 335312), (72, 293398), (76, 277956), (84, 251484), (112, 188613), (114, 185304), (126, 167656), (133, 158832), (144, 146699), (152, 138978), (168, 125742), (171, 123536), (228, 92652), (252, 83828), (266, 79416), (304, 69489), (336, 62871), (342, 61768), (399, 52944), (456, 46326), (504, 41914), (532, 39708), (684, 30884), (798, 26472), (912, 23163), (1008, 20957), (1064, 19854), (1103, 19152), (1197, 17648), (1368, 15442), (1596, 13236), (2128, 9927), (2206, 9576), (2394, 8824), (2736, 7721), (3192, 6618), (3309, 6384), (4412, 4788)]