21699370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{28181}}^1$

素因数の和:28206

約数の個数: 32

約数和(自身を含む): 48698496

約数和(自身を除く): 26999126

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 28181, 56362, 140905, 197267, 281810, 309991, 394534, 619982, 986335, 1549955, 1972670, 2169937, 3099910, 4339874, 10849685, 21699370]

約数ペア:

[(1, 21699370), (2, 10849685), (5, 4339874), (7, 3099910), (10, 2169937), (11, 1972670), (14, 1549955), (22, 986335), (35, 619982), (55, 394534), (70, 309991), (77, 281810), (110, 197267), (154, 140905), (385, 56362), (770, 28181)]