21251152335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1811}}^1$

素因数の和:2005

約数の個数: 128

約数和(自身を含む): 41882075136

約数和(自身を除く): 20630922801

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 43, 69, 105, 113, 115, 129, 161, 215, 301, 339, 345, 483, 565, 645, 791, 805, 903, 989, 1505, 1695, 1811, 2373, 2415, 2599, 2967, 3955, 4515, 4859, 4945, 5433, 6923, 7797, 9055, 11865, 12677, 12995, 14577, 14835, 18193, 20769, 24295, 27165, 34013, 34615, 38031, 38985, 41653, 54579, 63385, 72885, 77873, 90965, 102039, 103845, 111757, 124959, 170065, 190155, 204643, 208265, 233619, 272895, 291571, 335271, 389365, 510195, 545111, 558785, 613929, 624795, 782299, 874713, 1023215, 1168095, 1432501, 1457855, 1635333, 1676355, 1791079, 2346897, 2725555, 3069645, 3911495, 4297503, 4373565, 4706789, 5373237, 7162505, 8176665, 8799649, 8955395, 11734485, 12537553, 14120367, 21487515, 23533945, 26398947, 26866185, 32947523, 37612659, 43998245, 61597543, 62687765, 70601835, 98842569, 131994735, 164737615, 184792629, 188063295, 202391927, 307987715, 494212845, 607175781, 923963145, 1011959635, 1416743489, 3035878905, 4250230467, 7083717445, 21251152335]

約数ペア:

[(1, 21251152335), (3, 7083717445), (5, 4250230467), (7, 3035878905), (15, 1416743489), (21, 1011959635), (23, 923963145), (35, 607175781), (43, 494212845), (69, 307987715), (105, 202391927), (113, 188063295), (115, 184792629), (129, 164737615), (161, 131994735), (215, 98842569), (301, 70601835), (339, 62687765), (345, 61597543), (483, 43998245), (565, 37612659), (645, 32947523), (791, 26866185), (805, 26398947), (903, 23533945), (989, 21487515), (1505, 14120367), (1695, 12537553), (1811, 11734485), (2373, 8955395), (2415, 8799649), (2599, 8176665), (2967, 7162505), (3955, 5373237), (4515, 4706789), (4859, 4373565), (4945, 4297503), (5433, 3911495), (6923, 3069645), (7797, 2725555), (9055, 2346897), (11865, 1791079), (12677, 1676355), (12995, 1635333), (14577, 1457855), (14835, 1432501), (18193, 1168095), (20769, 1023215), (24295, 874713), (27165, 782299), (34013, 624795), (34615, 613929), (38031, 558785), (38985, 545111), (41653, 510195), (54579, 389365), (63385, 335271), (72885, 291571), (77873, 272895), (90965, 233619), (102039, 208265), (103845, 204643), (111757, 190155), (124959, 170065)]