21098000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1$

素因数の和:178

約数の個数: 160

約数和(自身を含む): 64067328

約数和(自身を除く): 42969328

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 125, 137, 140, 154, 175, 176, 200, 220, 250, 274, 275, 280, 308, 350, 385, 400, 440, 500, 548, 550, 560, 616, 685, 700, 770, 875, 880, 959, 1000, 1096, 1100, 1232, 1370, 1375, 1400, 1507, 1540, 1750, 1918, 1925, 2000, 2192, 2200, 2740, 2750, 2800, 3014, 3080, 3425, 3500, 3836, 3850, 4400, 4795, 5480, 5500, 6028, 6160, 6850, 7000, 7535, 7672, 7700, 9590, 9625, 10549, 10960, 11000, 12056, 13700, 14000, 15070, 15344, 15400, 17125, 19180, 19250, 21098, 22000, 23975, 24112, 27400, 30140, 30800, 34250, 37675, 38360, 38500, 42196, 47950, 52745, 54800, 60280, 68500, 75350, 76720, 77000, 84392, 95900, 105490, 119875, 120560, 137000, 150700, 154000, 168784, 188375, 191800, 210980, 239750, 263725, 274000, 301400, 376750, 383600, 421960, 479500, 527450, 602800, 753500, 843920, 959000, 1054900, 1318625, 1507000, 1918000, 2109800, 2637250, 3014000, 4219600, 5274500, 10549000, 21098000]

約数ペア:

[(1, 21098000), (2, 10549000), (4, 5274500), (5, 4219600), (7, 3014000), (8, 2637250), (10, 2109800), (11, 1918000), (14, 1507000), (16, 1318625), (20, 1054900), (22, 959000), (25, 843920), (28, 753500), (35, 602800), (40, 527450), (44, 479500), (50, 421960), (55, 383600), (56, 376750), (70, 301400), (77, 274000), (80, 263725), (88, 239750), (100, 210980), (110, 191800), (112, 188375), (125, 168784), (137, 154000), (140, 150700), (154, 137000), (175, 120560), (176, 119875), (200, 105490), (220, 95900), (250, 84392), (274, 77000), (275, 76720), (280, 75350), (308, 68500), (350, 60280), (385, 54800), (400, 52745), (440, 47950), (500, 42196), (548, 38500), (550, 38360), (560, 37675), (616, 34250), (685, 30800), (700, 30140), (770, 27400), (875, 24112), (880, 23975), (959, 22000), (1000, 21098), (1096, 19250), (1100, 19180), (1232, 17125), (1370, 15400), (1375, 15344), (1400, 15070), (1507, 14000), (1540, 13700), (1750, 12056), (1918, 11000), (1925, 10960), (2000, 10549), (2192, 9625), (2200, 9590), (2740, 7700), (2750, 7672), (2800, 7535), (3014, 7000), (3080, 6850), (3425, 6160), (3500, 6028), (3836, 5500), (3850, 5480), (4400, 4795)]