21671584

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:254

約数の個数: 72

約数和(自身を含む): 48765780

約数和(自身を除く): 27094196

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 88, 116, 121, 176, 193, 232, 242, 319, 352, 386, 464, 484, 638, 772, 928, 968, 1276, 1544, 1936, 2123, 2552, 3088, 3509, 3872, 4246, 5104, 5597, 6176, 7018, 8492, 10208, 11194, 14036, 16984, 22388, 23353, 28072, 33968, 44776, 46706, 56144, 61567, 67936, 89552, 93412, 112288, 123134, 179104, 186824, 246268, 373648, 492536, 677237, 747296, 985072, 1354474, 1970144, 2708948, 5417896, 10835792, 21671584]

約数ペア:

[(1, 21671584), (2, 10835792), (4, 5417896), (8, 2708948), (11, 1970144), (16, 1354474), (22, 985072), (29, 747296), (32, 677237), (44, 492536), (58, 373648), (88, 246268), (116, 186824), (121, 179104), (176, 123134), (193, 112288), (232, 93412), (242, 89552), (319, 67936), (352, 61567), (386, 56144), (464, 46706), (484, 44776), (638, 33968), (772, 28072), (928, 23353), (968, 22388), (1276, 16984), (1544, 14036), (1936, 11194), (2123, 10208), (2552, 8492), (3088, 7018), (3509, 6176), (3872, 5597), (4246, 5104)]