21219732

素因数分解:

$2^2\times 3^6\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:424

約数の個数: 84

約数和(自身を含む): 58759680

約数和(自身を除く): 37539948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 383, 486, 513, 684, 729, 766, 972, 1026, 1149, 1458, 1532, 1539, 2052, 2298, 2916, 3078, 3447, 4596, 4617, 6156, 6894, 7277, 9234, 10341, 13788, 13851, 14554, 18468, 20682, 21831, 27702, 29108, 31023, 41364, 43662, 55404, 62046, 65493, 87324, 93069, 124092, 130986, 186138, 196479, 261972, 279207, 372276, 392958, 558414, 589437, 785916, 1116828, 1178874, 1768311, 2357748, 3536622, 5304933, 7073244, 10609866, 21219732]

約数ペア:

[(1, 21219732), (2, 10609866), (3, 7073244), (4, 5304933), (6, 3536622), (9, 2357748), (12, 1768311), (18, 1178874), (19, 1116828), (27, 785916), (36, 589437), (38, 558414), (54, 392958), (57, 372276), (76, 279207), (81, 261972), (108, 196479), (114, 186138), (162, 130986), (171, 124092), (228, 93069), (243, 87324), (324, 65493), (342, 62046), (383, 55404), (486, 43662), (513, 41364), (684, 31023), (729, 29108), (766, 27702), (972, 21831), (1026, 20682), (1149, 18468), (1458, 14554), (1532, 13851), (1539, 13788), (2052, 10341), (2298, 9234), (2916, 7277), (3078, 6894), (3447, 6156), (4596, 4617)]