21818368

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:193

約数の個数: 88

約数和(自身を含む): 51584400

約数和(自身を除く): 29766032

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 149, 176, 208, 256, 286, 298, 352, 416, 512, 572, 596, 704, 832, 1024, 1144, 1192, 1408, 1639, 1664, 1937, 2288, 2384, 2816, 3278, 3328, 3874, 4576, 4768, 5632, 6556, 6656, 7748, 9152, 9536, 11264, 13112, 13312, 15496, 18304, 19072, 21307, 26224, 30992, 36608, 38144, 42614, 52448, 61984, 73216, 76288, 85228, 104896, 123968, 146432, 152576, 170456, 209792, 247936, 340912, 419584, 495872, 681824, 839168, 991744, 1363648, 1678336, 1983488, 2727296, 5454592, 10909184, 21818368]

約数ペア:

[(1, 21818368), (2, 10909184), (4, 5454592), (8, 2727296), (11, 1983488), (13, 1678336), (16, 1363648), (22, 991744), (26, 839168), (32, 681824), (44, 495872), (52, 419584), (64, 340912), (88, 247936), (104, 209792), (128, 170456), (143, 152576), (149, 146432), (176, 123968), (208, 104896), (256, 85228), (286, 76288), (298, 73216), (352, 61984), (416, 52448), (512, 42614), (572, 38144), (596, 36608), (704, 30992), (832, 26224), (1024, 21307), (1144, 19072), (1192, 18304), (1408, 15496), (1639, 13312), (1664, 13112), (1937, 11264), (2288, 9536), (2384, 9152), (2816, 7748), (3278, 6656), (3328, 6556), (3874, 5632), (4576, 4768)]