21788088

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2447}}^1$

素因数の和:2516

約数の個数: 64

約数和(自身を含む): 63452160

約数和(自身を除く): 41664072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 53, 56, 84, 106, 159, 168, 212, 318, 371, 424, 636, 742, 1113, 1272, 1484, 2226, 2447, 2968, 4452, 4894, 7341, 8904, 9788, 14682, 17129, 19576, 29364, 34258, 51387, 58728, 68516, 102774, 129691, 137032, 205548, 259382, 389073, 411096, 518764, 778146, 907837, 1037528, 1556292, 1815674, 2723511, 3112584, 3631348, 5447022, 7262696, 10894044, 21788088]

約数ペア:

[(1, 21788088), (2, 10894044), (3, 7262696), (4, 5447022), (6, 3631348), (7, 3112584), (8, 2723511), (12, 1815674), (14, 1556292), (21, 1037528), (24, 907837), (28, 778146), (42, 518764), (53, 411096), (56, 389073), (84, 259382), (106, 205548), (159, 137032), (168, 129691), (212, 102774), (318, 68516), (371, 58728), (424, 51387), (636, 34258), (742, 29364), (1113, 19576), (1272, 17129), (1484, 14682), (2226, 9788), (2447, 8904), (2968, 7341), (4452, 4894)]