21792408

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 64350720

約数和(自身を除く): 42558312

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 23, 24, 33, 37, 44, 46, 66, 69, 74, 88, 92, 97, 111, 132, 138, 148, 184, 194, 222, 253, 264, 276, 291, 296, 388, 407, 444, 506, 552, 582, 759, 776, 814, 851, 888, 1012, 1067, 1164, 1221, 1518, 1628, 1702, 2024, 2134, 2231, 2328, 2442, 2553, 3036, 3201, 3256, 3404, 3589, 4268, 4462, 4884, 5106, 6072, 6402, 6693, 6808, 7178, 8536, 8924, 9361, 9768, 10212, 10767, 12804, 13386, 14356, 17848, 18722, 20424, 21534, 24541, 25608, 26772, 28083, 28712, 37444, 39479, 43068, 49082, 53544, 56166, 73623, 74888, 78958, 82547, 86136, 98164, 112332, 118437, 147246, 157916, 165094, 196328, 224664, 236874, 247641, 294492, 315832, 330188, 473748, 495282, 588984, 660376, 908017, 947496, 990564, 1816034, 1981128, 2724051, 3632068, 5448102, 7264136, 10896204, 21792408]

約数ペア:

[(1, 21792408), (2, 10896204), (3, 7264136), (4, 5448102), (6, 3632068), (8, 2724051), (11, 1981128), (12, 1816034), (22, 990564), (23, 947496), (24, 908017), (33, 660376), (37, 588984), (44, 495282), (46, 473748), (66, 330188), (69, 315832), (74, 294492), (88, 247641), (92, 236874), (97, 224664), (111, 196328), (132, 165094), (138, 157916), (148, 147246), (184, 118437), (194, 112332), (222, 98164), (253, 86136), (264, 82547), (276, 78958), (291, 74888), (296, 73623), (388, 56166), (407, 53544), (444, 49082), (506, 43068), (552, 39479), (582, 37444), (759, 28712), (776, 28083), (814, 26772), (851, 25608), (888, 24541), (1012, 21534), (1067, 20424), (1164, 18722), (1221, 17848), (1518, 14356), (1628, 13386), (1702, 12804), (2024, 10767), (2134, 10212), (2231, 9768), (2328, 9361), (2442, 8924), (2553, 8536), (3036, 7178), (3201, 6808), (3256, 6693), (3404, 6402), (3589, 6072), (4268, 5106), (4462, 4884)]