21141890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27457}}^1$

素因数の和:27482

約数の個数: 32

約数和(自身を含む): 47447424

約数和(自身を除く): 26305534

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27457, 54914, 137285, 192199, 274570, 302027, 384398, 604054, 960995, 1510135, 1921990, 2114189, 3020270, 4228378, 10570945, 21141890]

約数ペア:

[(1, 21141890), (2, 10570945), (5, 4228378), (7, 3020270), (10, 2114189), (11, 1921990), (14, 1510135), (22, 960995), (35, 604054), (55, 384398), (70, 302027), (77, 274570), (110, 192199), (154, 137285), (385, 54914), (770, 27457)]