21241080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8429}}^1$

素因数の和:8453

約数の個数: 96

約数和(自身を含む): 78904800

約数和(自身を除く): 57663720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8429, 16858, 25287, 33716, 42145, 50574, 59003, 67432, 75861, 84290, 101148, 118006, 126435, 151722, 168580, 177009, 202296, 236012, 252870, 295015, 303444, 337160, 354018, 379305, 472024, 505740, 531027, 590030, 606888, 708036, 758610, 885045, 1011480, 1062054, 1180060, 1416072, 1517220, 1770090, 2124108, 2360120, 2655135, 3034440, 3540180, 4248216, 5310270, 7080360, 10620540, 21241080]

約数ペア:

[(1, 21241080), (2, 10620540), (3, 7080360), (4, 5310270), (5, 4248216), (6, 3540180), (7, 3034440), (8, 2655135), (9, 2360120), (10, 2124108), (12, 1770090), (14, 1517220), (15, 1416072), (18, 1180060), (20, 1062054), (21, 1011480), (24, 885045), (28, 758610), (30, 708036), (35, 606888), (36, 590030), (40, 531027), (42, 505740), (45, 472024), (56, 379305), (60, 354018), (63, 337160), (70, 303444), (72, 295015), (84, 252870), (90, 236012), (105, 202296), (120, 177009), (126, 168580), (140, 151722), (168, 126435), (180, 118006), (210, 101148), (252, 84290), (280, 75861), (315, 67432), (360, 59003), (420, 50574), (504, 42145), (630, 33716), (840, 25287), (1260, 16858), (2520, 8429)]