21305856

素因数分解:

$2^9\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 160

約数和(自身を含む): 67370688

約数和(自身を除く): 46064832

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 64, 66, 78, 88, 96, 97, 104, 128, 132, 143, 156, 176, 192, 194, 208, 256, 264, 286, 291, 312, 352, 384, 388, 416, 429, 512, 528, 572, 582, 624, 704, 768, 776, 832, 858, 1056, 1067, 1144, 1164, 1248, 1261, 1408, 1536, 1552, 1664, 1716, 2112, 2134, 2288, 2328, 2496, 2522, 2816, 3104, 3201, 3328, 3432, 3783, 4224, 4268, 4576, 4656, 4992, 5044, 5632, 6208, 6402, 6656, 6864, 7566, 8448, 8536, 9152, 9312, 9984, 10088, 12416, 12804, 13728, 13871, 15132, 16896, 17072, 18304, 18624, 19968, 20176, 24832, 25608, 27456, 27742, 30264, 34144, 36608, 37248, 40352, 41613, 49664, 51216, 54912, 55484, 60528, 68288, 73216, 74496, 80704, 83226, 102432, 109824, 110968, 121056, 136576, 148992, 161408, 166452, 204864, 219648, 221936, 242112, 273152, 322816, 332904, 409728, 443872, 484224, 546304, 645632, 665808, 819456, 887744, 968448, 1331616, 1638912, 1775488, 1936896, 2663232, 3550976, 5326464, 7101952, 10652928, 21305856]

約数ペア:

[(1, 21305856), (2, 10652928), (3, 7101952), (4, 5326464), (6, 3550976), (8, 2663232), (11, 1936896), (12, 1775488), (13, 1638912), (16, 1331616), (22, 968448), (24, 887744), (26, 819456), (32, 665808), (33, 645632), (39, 546304), (44, 484224), (48, 443872), (52, 409728), (64, 332904), (66, 322816), (78, 273152), (88, 242112), (96, 221936), (97, 219648), (104, 204864), (128, 166452), (132, 161408), (143, 148992), (156, 136576), (176, 121056), (192, 110968), (194, 109824), (208, 102432), (256, 83226), (264, 80704), (286, 74496), (291, 73216), (312, 68288), (352, 60528), (384, 55484), (388, 54912), (416, 51216), (429, 49664), (512, 41613), (528, 40352), (572, 37248), (582, 36608), (624, 34144), (704, 30264), (768, 27742), (776, 27456), (832, 25608), (858, 24832), (1056, 20176), (1067, 19968), (1144, 18624), (1164, 18304), (1248, 17072), (1261, 16896), (1408, 15132), (1536, 13871), (1552, 13728), (1664, 12804), (1716, 12416), (2112, 10088), (2134, 9984), (2288, 9312), (2328, 9152), (2496, 8536), (2522, 8448), (2816, 7566), (3104, 6864), (3201, 6656), (3328, 6402), (3432, 6208), (3783, 5632), (4224, 5044), (4268, 4992), (4576, 4656)]