21478392

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7649}}^1$

素因数の和:7677

約数の個数: 64

約数和(自身を含む): 64260000

約数和(自身を除く): 42781608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7649, 15298, 22947, 30596, 45894, 61192, 68841, 91788, 99437, 137682, 183576, 198874, 206523, 275364, 298311, 397748, 413046, 550728, 596622, 795496, 826092, 894933, 1193244, 1652184, 1789866, 2386488, 2684799, 3579732, 5369598, 7159464, 10739196, 21478392]

約数ペア:

[(1, 21478392), (2, 10739196), (3, 7159464), (4, 5369598), (6, 3579732), (8, 2684799), (9, 2386488), (12, 1789866), (13, 1652184), (18, 1193244), (24, 894933), (26, 826092), (27, 795496), (36, 596622), (39, 550728), (52, 413046), (54, 397748), (72, 298311), (78, 275364), (104, 206523), (108, 198874), (117, 183576), (156, 137682), (216, 99437), (234, 91788), (312, 68841), (351, 61192), (468, 45894), (702, 30596), (936, 22947), (1404, 15298), (2808, 7649)]