21388398360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1497787}}^1$

素因数の和:1497825

約数の個数: 128

約数和(自身を含む): 77645329920

約数和(自身を除く): 56256931560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 1497787, 2995574, 4493361, 5991148, 7488935, 8986722, 10484509, 11982296, 14977870, 17973444, 20969018, 22466805, 25462379, 29955740, 31453527, 35946888, 41938036, 44933610, 50924758, 52422545, 59911480, 62907054, 76387137, 83876072, 89867220, 101849516, 104845090, 125814108, 127311895, 152774274, 157267635, 178236653, 179734440, 203699032, 209690180, 251628216, 254623790, 305548548, 314535270, 356473306, 381935685, 419380360, 509247580, 534709959, 611097096, 629070540, 712946612, 763871370, 891183265, 1018495160, 1069419918, 1258141080, 1425893224, 1527742740, 1782366530, 2138839836, 2673549795, 3055485480, 3564733060, 4277679672, 5347099590, 7129466120, 10694199180, 21388398360]

約数ペア:

[(1, 21388398360), (2, 10694199180), (3, 7129466120), (4, 5347099590), (5, 4277679672), (6, 3564733060), (7, 3055485480), (8, 2673549795), (10, 2138839836), (12, 1782366530), (14, 1527742740), (15, 1425893224), (17, 1258141080), (20, 1069419918), (21, 1018495160), (24, 891183265), (28, 763871370), (30, 712946612), (34, 629070540), (35, 611097096), (40, 534709959), (42, 509247580), (51, 419380360), (56, 381935685), (60, 356473306), (68, 314535270), (70, 305548548), (84, 254623790), (85, 251628216), (102, 209690180), (105, 203699032), (119, 179734440), (120, 178236653), (136, 157267635), (140, 152774274), (168, 127311895), (170, 125814108), (204, 104845090), (210, 101849516), (238, 89867220), (255, 83876072), (280, 76387137), (340, 62907054), (357, 59911480), (408, 52422545), (420, 50924758), (476, 44933610), (510, 41938036), (595, 35946888), (680, 31453527), (714, 29955740), (840, 25462379), (952, 22466805), (1020, 20969018), (1190, 17973444), (1428, 14977870), (1785, 11982296), (2040, 10484509), (2380, 8986722), (2856, 7488935), (3570, 5991148), (4760, 4493361), (7140, 2995574), (14280, 1497787)]