21000605346

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{7741}}^1\times {\mathrm{7177}}^1$

素因数の和:14936

約数の個数: 64

約数和(自身を含む): 53349192960

約数和(自身を除く): 32348587614

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 7177, 7741, 14354, 15482, 21531, 23223, 43062, 46446, 50239, 54187, 64593, 69669, 100478, 108374, 129186, 139338, 150717, 162561, 193779, 209007, 301434, 325122, 387558, 418014, 452151, 487683, 904302, 975366, 1356453, 1463049, 2712906, 2926098, 55557157, 111114314, 166671471, 333342942, 388900099, 500014413, 777800198, 1000028826, 1166700297, 1500043239, 2333400594, 3000086478, 3500100891, 7000201782, 10500302673, 21000605346]

約数ペア:

[(1, 21000605346), (2, 10500302673), (3, 7000201782), (6, 3500100891), (7, 3000086478), (9, 2333400594), (14, 1500043239), (18, 1166700297), (21, 1000028826), (27, 777800198), (42, 500014413), (54, 388900099), (63, 333342942), (126, 166671471), (189, 111114314), (378, 55557157), (7177, 2926098), (7741, 2712906), (14354, 1463049), (15482, 1356453), (21531, 975366), (23223, 904302), (43062, 487683), (46446, 452151), (50239, 418014), (54187, 387558), (64593, 325122), (69669, 301434), (100478, 209007), (108374, 193779), (129186, 162561), (139338, 150717)]