21379072

素因数分解:

$2^{11}\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 50909040

約数和(自身を除く): 29529968

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 73, 88, 104, 128, 143, 146, 176, 208, 256, 286, 292, 352, 416, 512, 572, 584, 704, 803, 832, 949, 1024, 1144, 1168, 1408, 1606, 1664, 1898, 2048, 2288, 2336, 2816, 3212, 3328, 3796, 4576, 4672, 5632, 6424, 6656, 7592, 9152, 9344, 10439, 11264, 12848, 13312, 15184, 18304, 18688, 20878, 22528, 25696, 26624, 30368, 36608, 37376, 41756, 51392, 60736, 73216, 74752, 83512, 102784, 121472, 146432, 149504, 167024, 205568, 242944, 292864, 334048, 411136, 485888, 668096, 822272, 971776, 1336192, 1644544, 1943552, 2672384, 5344768, 10689536, 21379072]

約数ペア:

[(1, 21379072), (2, 10689536), (4, 5344768), (8, 2672384), (11, 1943552), (13, 1644544), (16, 1336192), (22, 971776), (26, 822272), (32, 668096), (44, 485888), (52, 411136), (64, 334048), (73, 292864), (88, 242944), (104, 205568), (128, 167024), (143, 149504), (146, 146432), (176, 121472), (208, 102784), (256, 83512), (286, 74752), (292, 73216), (352, 60736), (416, 51392), (512, 41756), (572, 37376), (584, 36608), (704, 30368), (803, 26624), (832, 25696), (949, 22528), (1024, 20878), (1144, 18688), (1168, 18304), (1408, 15184), (1606, 13312), (1664, 12848), (1898, 11264), (2048, 10439), (2288, 9344), (2336, 9152), (2816, 7592), (3212, 6656), (3328, 6424), (3796, 5632), (4576, 4672)]