21688044

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 61931520

約数和(自身を除く): 40243476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 107, 114, 127, 133, 214, 228, 254, 266, 321, 381, 399, 428, 508, 532, 642, 749, 762, 798, 889, 1284, 1498, 1524, 1596, 1778, 2033, 2247, 2413, 2667, 2996, 3556, 4066, 4494, 4826, 5334, 6099, 7239, 8132, 8988, 9652, 10668, 12198, 13589, 14231, 14478, 16891, 24396, 27178, 28462, 28956, 33782, 40767, 42693, 50673, 54356, 56924, 67564, 81534, 85386, 95123, 101346, 163068, 170772, 190246, 202692, 258191, 285369, 380492, 516382, 570738, 774573, 1032764, 1141476, 1549146, 1807337, 3098292, 3614674, 5422011, 7229348, 10844022, 21688044]

約数ペア:

[(1, 21688044), (2, 10844022), (3, 7229348), (4, 5422011), (6, 3614674), (7, 3098292), (12, 1807337), (14, 1549146), (19, 1141476), (21, 1032764), (28, 774573), (38, 570738), (42, 516382), (57, 380492), (76, 285369), (84, 258191), (107, 202692), (114, 190246), (127, 170772), (133, 163068), (214, 101346), (228, 95123), (254, 85386), (266, 81534), (321, 67564), (381, 56924), (399, 54356), (428, 50673), (508, 42693), (532, 40767), (642, 33782), (749, 28956), (762, 28462), (798, 27178), (889, 24396), (1284, 16891), (1498, 14478), (1524, 14231), (1596, 13589), (1778, 12198), (2033, 10668), (2247, 9652), (2413, 8988), (2667, 8132), (2996, 7239), (3556, 6099), (4066, 5334), (4494, 4826)]