21536400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 70022304

約数和(自身を除く): 48485904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 131, 137, 150, 200, 240, 262, 274, 300, 393, 400, 411, 524, 548, 600, 655, 685, 786, 822, 1048, 1096, 1200, 1310, 1370, 1572, 1644, 1965, 2055, 2096, 2192, 2620, 2740, 3144, 3275, 3288, 3425, 3930, 4110, 5240, 5480, 6288, 6550, 6576, 6850, 7860, 8220, 9825, 10275, 10480, 10960, 13100, 13700, 15720, 16440, 17947, 19650, 20550, 26200, 27400, 31440, 32880, 35894, 39300, 41100, 52400, 53841, 54800, 71788, 78600, 82200, 89735, 107682, 143576, 157200, 164400, 179470, 215364, 269205, 287152, 358940, 430728, 448675, 538410, 717880, 861456, 897350, 1076820, 1346025, 1435760, 1794700, 2153640, 2692050, 3589400, 4307280, 5384100, 7178800, 10768200, 21536400]

約数ペア:

[(1, 21536400), (2, 10768200), (3, 7178800), (4, 5384100), (5, 4307280), (6, 3589400), (8, 2692050), (10, 2153640), (12, 1794700), (15, 1435760), (16, 1346025), (20, 1076820), (24, 897350), (25, 861456), (30, 717880), (40, 538410), (48, 448675), (50, 430728), (60, 358940), (75, 287152), (80, 269205), (100, 215364), (120, 179470), (131, 164400), (137, 157200), (150, 143576), (200, 107682), (240, 89735), (262, 82200), (274, 78600), (300, 71788), (393, 54800), (400, 53841), (411, 52400), (524, 41100), (548, 39300), (600, 35894), (655, 32880), (685, 31440), (786, 27400), (822, 26200), (1048, 20550), (1096, 19650), (1200, 17947), (1310, 16440), (1370, 15720), (1572, 13700), (1644, 13100), (1965, 10960), (2055, 10480), (2096, 10275), (2192, 9825), (2620, 8220), (2740, 7860), (3144, 6850), (3275, 6576), (3288, 6550), (3425, 6288), (3930, 5480), (4110, 5240)]