21569184

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:859

約数の個数: 144

約数和(自身を含む): 75583872

約数和(自身を除く): 54014688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 182, 208, 224, 234, 252, 273, 288, 312, 336, 364, 416, 468, 504, 546, 624, 672, 728, 819, 823, 936, 1008, 1092, 1248, 1456, 1638, 1646, 1872, 2016, 2184, 2469, 2912, 3276, 3292, 3744, 4368, 4938, 5761, 6552, 6584, 7407, 8736, 9876, 10699, 11522, 13104, 13168, 14814, 17283, 19752, 21398, 23044, 26208, 26336, 29628, 32097, 34566, 39504, 42796, 46088, 51849, 59256, 64194, 69132, 74893, 79008, 85592, 92176, 96291, 103698, 118512, 128388, 138264, 149786, 171184, 184352, 192582, 207396, 224679, 237024, 256776, 276528, 299572, 342368, 385164, 414792, 449358, 513552, 553056, 599144, 674037, 770328, 829584, 898716, 1027104, 1198288, 1348074, 1540656, 1659168, 1797432, 2396576, 2696148, 3081312, 3594864, 5392296, 7189728, 10784592, 21569184]

約数ペア:

[(1, 21569184), (2, 10784592), (3, 7189728), (4, 5392296), (6, 3594864), (7, 3081312), (8, 2696148), (9, 2396576), (12, 1797432), (13, 1659168), (14, 1540656), (16, 1348074), (18, 1198288), (21, 1027104), (24, 898716), (26, 829584), (28, 770328), (32, 674037), (36, 599144), (39, 553056), (42, 513552), (48, 449358), (52, 414792), (56, 385164), (63, 342368), (72, 299572), (78, 276528), (84, 256776), (91, 237024), (96, 224679), (104, 207396), (112, 192582), (117, 184352), (126, 171184), (144, 149786), (156, 138264), (168, 128388), (182, 118512), (208, 103698), (224, 96291), (234, 92176), (252, 85592), (273, 79008), (288, 74893), (312, 69132), (336, 64194), (364, 59256), (416, 51849), (468, 46088), (504, 42796), (546, 39504), (624, 34566), (672, 32097), (728, 29628), (819, 26336), (823, 26208), (936, 23044), (1008, 21398), (1092, 19752), (1248, 17283), (1456, 14814), (1638, 13168), (1646, 13104), (1872, 11522), (2016, 10699), (2184, 9876), (2469, 8736), (2912, 7407), (3276, 6584), (3292, 6552), (3744, 5761), (4368, 4938)]