21604352

素因数分解:

$2^{11}\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 54250560

約数和(自身を除く): 32646208

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 137, 154, 176, 224, 256, 274, 308, 352, 448, 512, 548, 616, 704, 896, 959, 1024, 1096, 1232, 1408, 1507, 1792, 1918, 2048, 2192, 2464, 2816, 3014, 3584, 3836, 4384, 4928, 5632, 6028, 7168, 7672, 8768, 9856, 10549, 11264, 12056, 14336, 15344, 17536, 19712, 21098, 22528, 24112, 30688, 35072, 39424, 42196, 48224, 61376, 70144, 78848, 84392, 96448, 122752, 140288, 157696, 168784, 192896, 245504, 280576, 337568, 385792, 491008, 675136, 771584, 982016, 1350272, 1543168, 1964032, 2700544, 3086336, 5401088, 10802176, 21604352]

約数ペア:

[(1, 21604352), (2, 10802176), (4, 5401088), (7, 3086336), (8, 2700544), (11, 1964032), (14, 1543168), (16, 1350272), (22, 982016), (28, 771584), (32, 675136), (44, 491008), (56, 385792), (64, 337568), (77, 280576), (88, 245504), (112, 192896), (128, 168784), (137, 157696), (154, 140288), (176, 122752), (224, 96448), (256, 84392), (274, 78848), (308, 70144), (352, 61376), (448, 48224), (512, 42196), (548, 39424), (616, 35072), (704, 30688), (896, 24112), (959, 22528), (1024, 21098), (1096, 19712), (1232, 17536), (1408, 15344), (1507, 14336), (1792, 12056), (1918, 11264), (2048, 10549), (2192, 9856), (2464, 8768), (2816, 7672), (3014, 7168), (3584, 6028), (3836, 5632), (4384, 4928)]