21298310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5233}}^1$

素因数の和:5288

約数の個数: 32

約数和(自身を含む): 42960672

約数和(自身を除く): 21662362

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 370, 407, 814, 2035, 4070, 5233, 10466, 26165, 52330, 57563, 115126, 193621, 287815, 387242, 575630, 968105, 1936210, 2129831, 4259662, 10649155, 21298310]

約数ペア:

[(1, 21298310), (2, 10649155), (5, 4259662), (10, 2129831), (11, 1936210), (22, 968105), (37, 575630), (55, 387242), (74, 287815), (110, 193621), (185, 115126), (370, 57563), (407, 52330), (814, 26165), (2035, 10466), (4070, 5233)]