21834712

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{63473}}^1$

素因数の和:63522

約数の個数: 16

約数和(自身を含む): 41892840

約数和(自身を除く): 20058128

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 63473, 126946, 253892, 507784, 2729339, 5458678, 10917356, 21834712]

約数ペア:

[(1, 21834712), (2, 10917356), (4, 5458678), (8, 2729339), (43, 507784), (86, 253892), (172, 126946), (344, 63473)]