21441336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 44913864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 31, 42, 46, 56, 62, 69, 84, 92, 93, 124, 138, 161, 168, 179, 184, 186, 217, 248, 276, 322, 358, 372, 434, 483, 537, 552, 644, 651, 713, 716, 744, 868, 966, 1074, 1253, 1288, 1302, 1426, 1432, 1736, 1932, 2139, 2148, 2506, 2604, 2852, 3759, 3864, 4117, 4278, 4296, 4991, 5012, 5208, 5549, 5704, 7518, 8234, 8556, 9982, 10024, 11098, 12351, 14973, 15036, 16468, 16647, 17112, 19964, 22196, 24702, 28819, 29946, 30072, 32936, 33294, 38843, 39928, 44392, 49404, 57638, 59892, 66588, 77686, 86457, 98808, 115276, 116529, 119784, 127627, 133176, 155372, 172914, 230552, 233058, 255254, 310744, 345828, 382881, 466116, 510508, 691656, 765762, 893389, 932232, 1021016, 1531524, 1786778, 2680167, 3063048, 3573556, 5360334, 7147112, 10720668, 21441336]

約数ペア:

[(1, 21441336), (2, 10720668), (3, 7147112), (4, 5360334), (6, 3573556), (7, 3063048), (8, 2680167), (12, 1786778), (14, 1531524), (21, 1021016), (23, 932232), (24, 893389), (28, 765762), (31, 691656), (42, 510508), (46, 466116), (56, 382881), (62, 345828), (69, 310744), (84, 255254), (92, 233058), (93, 230552), (124, 172914), (138, 155372), (161, 133176), (168, 127627), (179, 119784), (184, 116529), (186, 115276), (217, 98808), (248, 86457), (276, 77686), (322, 66588), (358, 59892), (372, 57638), (434, 49404), (483, 44392), (537, 39928), (552, 38843), (644, 33294), (651, 32936), (713, 30072), (716, 29946), (744, 28819), (868, 24702), (966, 22196), (1074, 19964), (1253, 17112), (1288, 16647), (1302, 16468), (1426, 15036), (1432, 14973), (1736, 12351), (1932, 11098), (2139, 10024), (2148, 9982), (2506, 8556), (2604, 8234), (2852, 7518), (3759, 5704), (3864, 5549), (4117, 5208), (4278, 5012), (4296, 4991)]