21193216

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 80

約数和(自身を含む): 47729088

約数和(自身を除く): 26535872

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 64, 71, 88, 106, 128, 142, 176, 212, 256, 284, 352, 424, 512, 568, 583, 704, 781, 848, 1136, 1166, 1408, 1562, 1696, 2272, 2332, 2816, 3124, 3392, 3763, 4544, 4664, 5632, 6248, 6784, 7526, 9088, 9328, 12496, 13568, 15052, 18176, 18656, 24992, 27136, 30104, 36352, 37312, 41393, 49984, 60208, 74624, 82786, 99968, 120416, 149248, 165572, 199936, 240832, 298496, 331144, 399872, 481664, 662288, 963328, 1324576, 1926656, 2649152, 5298304, 10596608, 21193216]

約数ペア:

[(1, 21193216), (2, 10596608), (4, 5298304), (8, 2649152), (11, 1926656), (16, 1324576), (22, 963328), (32, 662288), (44, 481664), (53, 399872), (64, 331144), (71, 298496), (88, 240832), (106, 199936), (128, 165572), (142, 149248), (176, 120416), (212, 99968), (256, 82786), (284, 74624), (352, 60208), (424, 49984), (512, 41393), (568, 37312), (583, 36352), (704, 30104), (781, 27136), (848, 24992), (1136, 18656), (1166, 18176), (1408, 15052), (1562, 13568), (1696, 12496), (2272, 9328), (2332, 9088), (2816, 7526), (3124, 6784), (3392, 6248), (3763, 5632), (4544, 4664)]