21082635

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 46006272

約数和(自身を除く): 24923637

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 31, 35, 45, 51, 63, 85, 93, 105, 119, 127, 153, 155, 217, 255, 279, 315, 357, 381, 465, 527, 595, 635, 651, 765, 889, 1071, 1085, 1143, 1395, 1581, 1785, 1905, 1953, 2159, 2635, 2667, 3255, 3689, 3937, 4445, 4743, 5355, 5715, 6477, 7905, 8001, 9765, 10795, 11067, 11811, 13335, 15113, 18445, 19431, 19685, 23715, 27559, 32385, 33201, 35433, 40005, 45339, 55335, 59055, 66929, 75565, 82677, 97155, 136017, 137795, 166005, 177165, 200787, 226695, 248031, 334645, 413385, 468503, 602361, 680085, 1003935, 1240155, 1405509, 2342515, 3011805, 4216527, 7027545, 21082635]

約数ペア:

[(1, 21082635), (3, 7027545), (5, 4216527), (7, 3011805), (9, 2342515), (15, 1405509), (17, 1240155), (21, 1003935), (31, 680085), (35, 602361), (45, 468503), (51, 413385), (63, 334645), (85, 248031), (93, 226695), (105, 200787), (119, 177165), (127, 166005), (153, 137795), (155, 136017), (217, 97155), (255, 82677), (279, 75565), (315, 66929), (357, 59055), (381, 55335), (465, 45339), (527, 40005), (595, 35433), (635, 33201), (651, 32385), (765, 27559), (889, 23715), (1071, 19685), (1085, 19431), (1143, 18445), (1395, 15113), (1581, 13335), (1785, 11811), (1905, 11067), (1953, 10795), (2159, 9765), (2635, 8001), (2667, 7905), (3255, 6477), (3689, 5715), (3937, 5355), (4445, 4743)]