21276864

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{1759}}^1$

素因数の和:1787

約数の個数: 112

約数和(自身を含む): 71526400

約数和(自身を除く): 50249536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 432, 448, 504, 576, 672, 756, 864, 1008, 1344, 1512, 1728, 1759, 2016, 3024, 3518, 4032, 5277, 6048, 7036, 10554, 12096, 12313, 14072, 15831, 21108, 24626, 28144, 31662, 36939, 42216, 47493, 49252, 56288, 63324, 73878, 84432, 94986, 98504, 110817, 112576, 126648, 147756, 168864, 189972, 197008, 221634, 253296, 295512, 332451, 337728, 379944, 394016, 443268, 506592, 591024, 664902, 759888, 788032, 886536, 1013184, 1182048, 1329804, 1519776, 1773072, 2364096, 2659608, 3039552, 3546144, 5319216, 7092288, 10638432, 21276864]

約数ペア:

[(1, 21276864), (2, 10638432), (3, 7092288), (4, 5319216), (6, 3546144), (7, 3039552), (8, 2659608), (9, 2364096), (12, 1773072), (14, 1519776), (16, 1329804), (18, 1182048), (21, 1013184), (24, 886536), (27, 788032), (28, 759888), (32, 664902), (36, 591024), (42, 506592), (48, 443268), (54, 394016), (56, 379944), (63, 337728), (64, 332451), (72, 295512), (84, 253296), (96, 221634), (108, 197008), (112, 189972), (126, 168864), (144, 147756), (168, 126648), (189, 112576), (192, 110817), (216, 98504), (224, 94986), (252, 84432), (288, 73878), (336, 63324), (378, 56288), (432, 49252), (448, 47493), (504, 42216), (576, 36939), (672, 31662), (756, 28144), (864, 24626), (1008, 21108), (1344, 15831), (1512, 14072), (1728, 12313), (1759, 12096), (2016, 10554), (3024, 7036), (3518, 6048), (4032, 5277)]