21979464

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{5419}}^1$

素因数の和:5454

約数の個数: 48

約数和(自身を含む): 59511600

約数和(自身を除く): 37532136

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 2028, 4056, 5419, 10838, 16257, 21676, 32514, 43352, 65028, 70447, 130056, 140894, 211341, 281788, 422682, 563576, 845364, 915811, 1690728, 1831622, 2747433, 3663244, 5494866, 7326488, 10989732, 21979464]

約数ペア:

[(1, 21979464), (2, 10989732), (3, 7326488), (4, 5494866), (6, 3663244), (8, 2747433), (12, 1831622), (13, 1690728), (24, 915811), (26, 845364), (39, 563576), (52, 422682), (78, 281788), (104, 211341), (156, 140894), (169, 130056), (312, 70447), (338, 65028), (507, 43352), (676, 32514), (1014, 21676), (1352, 16257), (2028, 10838), (4056, 5419)]