21625450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 51746688

約数和(自身を除く): 30121238

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 41, 50, 55, 70, 77, 82, 110, 137, 154, 175, 205, 274, 275, 287, 350, 385, 410, 451, 550, 574, 685, 770, 902, 959, 1025, 1370, 1435, 1507, 1918, 1925, 2050, 2255, 2870, 3014, 3157, 3425, 3850, 4510, 4795, 5617, 6314, 6850, 7175, 7535, 9590, 10549, 11234, 11275, 14350, 15070, 15785, 21098, 22550, 23975, 28085, 31570, 37675, 39319, 47950, 52745, 56170, 61787, 75350, 78638, 78925, 105490, 123574, 140425, 157850, 196595, 263725, 280850, 308935, 393190, 432509, 527450, 617870, 865018, 982975, 1544675, 1965950, 2162545, 3089350, 4325090, 10812725, 21625450]

約数ペア:

[(1, 21625450), (2, 10812725), (5, 4325090), (7, 3089350), (10, 2162545), (11, 1965950), (14, 1544675), (22, 982975), (25, 865018), (35, 617870), (41, 527450), (50, 432509), (55, 393190), (70, 308935), (77, 280850), (82, 263725), (110, 196595), (137, 157850), (154, 140425), (175, 123574), (205, 105490), (274, 78925), (275, 78638), (287, 75350), (350, 61787), (385, 56170), (410, 52745), (451, 47950), (550, 39319), (574, 37675), (685, 31570), (770, 28085), (902, 23975), (959, 22550), (1025, 21098), (1370, 15785), (1435, 15070), (1507, 14350), (1918, 11275), (1925, 11234), (2050, 10549), (2255, 9590), (2870, 7535), (3014, 7175), (3157, 6850), (3425, 6314), (3850, 5617), (4510, 4795)]