21479304

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 46949496

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 59, 66, 77, 84, 88, 118, 132, 154, 168, 177, 197, 231, 236, 264, 308, 354, 394, 413, 462, 472, 591, 616, 649, 708, 788, 826, 924, 1182, 1239, 1298, 1379, 1416, 1576, 1652, 1848, 1947, 2167, 2364, 2478, 2596, 2758, 3304, 3894, 4137, 4334, 4543, 4728, 4956, 5192, 5516, 6501, 7788, 8274, 8668, 9086, 9912, 11032, 11623, 13002, 13629, 15169, 15576, 16548, 17336, 18172, 23246, 26004, 27258, 30338, 33096, 34869, 36344, 45507, 46492, 52008, 54516, 60676, 69738, 81361, 91014, 92984, 109032, 121352, 127853, 139476, 162722, 182028, 244083, 255706, 278952, 325444, 364056, 383559, 488166, 511412, 650888, 767118, 894971, 976332, 1022824, 1534236, 1789942, 1952664, 2684913, 3068472, 3579884, 5369826, 7159768, 10739652, 21479304]

約数ペア:

[(1, 21479304), (2, 10739652), (3, 7159768), (4, 5369826), (6, 3579884), (7, 3068472), (8, 2684913), (11, 1952664), (12, 1789942), (14, 1534236), (21, 1022824), (22, 976332), (24, 894971), (28, 767118), (33, 650888), (42, 511412), (44, 488166), (56, 383559), (59, 364056), (66, 325444), (77, 278952), (84, 255706), (88, 244083), (118, 182028), (132, 162722), (154, 139476), (168, 127853), (177, 121352), (197, 109032), (231, 92984), (236, 91014), (264, 81361), (308, 69738), (354, 60676), (394, 54516), (413, 52008), (462, 46492), (472, 45507), (591, 36344), (616, 34869), (649, 33096), (708, 30338), (788, 27258), (826, 26004), (924, 23246), (1182, 18172), (1239, 17336), (1298, 16548), (1379, 15576), (1416, 15169), (1576, 13629), (1652, 13002), (1848, 11623), (1947, 11032), (2167, 9912), (2364, 9086), (2478, 8668), (2596, 8274), (2758, 7788), (3304, 6501), (3894, 5516), (4137, 5192), (4334, 4956), (4543, 4728)]