21984774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:821

約数の個数: 64

約数和(自身を含む): 54577152

約数和(自身を除く): 32592378

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 41, 42, 51, 82, 102, 119, 123, 238, 246, 287, 357, 574, 697, 714, 751, 861, 1394, 1502, 1722, 2091, 2253, 4182, 4506, 4879, 5257, 9758, 10514, 12767, 14637, 15771, 25534, 29274, 30791, 31542, 38301, 61582, 76602, 89369, 92373, 178738, 184746, 215537, 268107, 431074, 523447, 536214, 646611, 1046894, 1293222, 1570341, 3140682, 3664129, 7328258, 10992387, 21984774]

約数ペア:

[(1, 21984774), (2, 10992387), (3, 7328258), (6, 3664129), (7, 3140682), (14, 1570341), (17, 1293222), (21, 1046894), (34, 646611), (41, 536214), (42, 523447), (51, 431074), (82, 268107), (102, 215537), (119, 184746), (123, 178738), (238, 92373), (246, 89369), (287, 76602), (357, 61582), (574, 38301), (697, 31542), (714, 30791), (751, 29274), (861, 25534), (1394, 15771), (1502, 14637), (1722, 12767), (2091, 10514), (2253, 9758), (4182, 5257), (4506, 4879)]