21125400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 66223440

約数和(自身を除く): 45098040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 137, 150, 200, 257, 274, 300, 411, 514, 548, 600, 685, 771, 822, 1028, 1096, 1285, 1370, 1542, 1644, 2055, 2056, 2570, 2740, 3084, 3288, 3425, 3855, 4110, 5140, 5480, 6168, 6425, 6850, 7710, 8220, 10275, 10280, 12850, 13700, 15420, 16440, 19275, 20550, 25700, 27400, 30840, 35209, 38550, 41100, 51400, 70418, 77100, 82200, 105627, 140836, 154200, 176045, 211254, 281672, 352090, 422508, 528135, 704180, 845016, 880225, 1056270, 1408360, 1760450, 2112540, 2640675, 3520900, 4225080, 5281350, 7041800, 10562700, 21125400]

約数ペア:

[(1, 21125400), (2, 10562700), (3, 7041800), (4, 5281350), (5, 4225080), (6, 3520900), (8, 2640675), (10, 2112540), (12, 1760450), (15, 1408360), (20, 1056270), (24, 880225), (25, 845016), (30, 704180), (40, 528135), (50, 422508), (60, 352090), (75, 281672), (100, 211254), (120, 176045), (137, 154200), (150, 140836), (200, 105627), (257, 82200), (274, 77100), (300, 70418), (411, 51400), (514, 41100), (548, 38550), (600, 35209), (685, 30840), (771, 27400), (822, 25700), (1028, 20550), (1096, 19275), (1285, 16440), (1370, 15420), (1542, 13700), (1644, 12850), (2055, 10280), (2056, 10275), (2570, 8220), (2740, 7710), (3084, 6850), (3288, 6425), (3425, 6168), (3855, 5480), (4110, 5140)]