21545216

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1093}}^1$

素因数の和:1127

約数の個数: 72

約数和(自身を含む): 53667264

約数和(自身を除く): 32122048

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 616, 704, 896, 1093, 1232, 1408, 1792, 2186, 2464, 2816, 4372, 4928, 7651, 8744, 9856, 12023, 15302, 17488, 19712, 24046, 30604, 34976, 48092, 61208, 69952, 84161, 96184, 122416, 139904, 168322, 192368, 244832, 279808, 336644, 384736, 489664, 673288, 769472, 979328, 1346576, 1538944, 1958656, 2693152, 3077888, 5386304, 10772608, 21545216]

約数ペア:

[(1, 21545216), (2, 10772608), (4, 5386304), (7, 3077888), (8, 2693152), (11, 1958656), (14, 1538944), (16, 1346576), (22, 979328), (28, 769472), (32, 673288), (44, 489664), (56, 384736), (64, 336644), (77, 279808), (88, 244832), (112, 192368), (128, 168322), (154, 139904), (176, 122416), (224, 96184), (256, 84161), (308, 69952), (352, 61208), (448, 48092), (616, 34976), (704, 30604), (896, 24046), (1093, 19712), (1232, 17488), (1408, 15302), (1792, 12023), (2186, 9856), (2464, 8744), (2816, 7651), (4372, 4928)]