21491531776

素因数分解:

$2^{14}\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9173}}^1$

素因数の和:9225

約数の個数: 120

約数和(自身を含む): 50501548944

約数和(自身を除く): 29010017168

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 256, 286, 352, 416, 512, 572, 704, 832, 1024, 1144, 1408, 1664, 2048, 2288, 2816, 3328, 4096, 4576, 5632, 6656, 8192, 9152, 9173, 11264, 13312, 16384, 18304, 18346, 22528, 26624, 36608, 36692, 45056, 53248, 73216, 73384, 90112, 100903, 106496, 119249, 146432, 146768, 180224, 201806, 212992, 238498, 292864, 293536, 403612, 476996, 585728, 587072, 807224, 953992, 1171456, 1174144, 1311739, 1614448, 1907984, 2342912, 2348288, 2623478, 3228896, 3815968, 4696576, 5246956, 6457792, 7631936, 9393152, 10493912, 12915584, 15263872, 18786304, 20987824, 25831168, 30527744, 37572608, 41975648, 51662336, 61055488, 75145216, 83951296, 103324672, 122110976, 150290432, 167902592, 206649344, 244221952, 335805184, 413298688, 488443904, 671610368, 826597376, 976887808, 1343220736, 1653194752, 1953775616, 2686441472, 5372882944, 10745765888, 21491531776]

約数ペア:

[(1, 21491531776), (2, 10745765888), (4, 5372882944), (8, 2686441472), (11, 1953775616), (13, 1653194752), (16, 1343220736), (22, 976887808), (26, 826597376), (32, 671610368), (44, 488443904), (52, 413298688), (64, 335805184), (88, 244221952), (104, 206649344), (128, 167902592), (143, 150290432), (176, 122110976), (208, 103324672), (256, 83951296), (286, 75145216), (352, 61055488), (416, 51662336), (512, 41975648), (572, 37572608), (704, 30527744), (832, 25831168), (1024, 20987824), (1144, 18786304), (1408, 15263872), (1664, 12915584), (2048, 10493912), (2288, 9393152), (2816, 7631936), (3328, 6457792), (4096, 5246956), (4576, 4696576), (5632, 3815968), (6656, 3228896), (8192, 2623478), (9152, 2348288), (9173, 2342912), (11264, 1907984), (13312, 1614448), (16384, 1311739), (18304, 1174144), (18346, 1171456), (22528, 953992), (26624, 807224), (36608, 587072), (36692, 585728), (45056, 476996), (53248, 403612), (73216, 293536), (73384, 292864), (90112, 238498), (100903, 212992), (106496, 201806), (119249, 180224), (146432, 146768)]