21890292

素因数分解:

$2^2\times 3^1\times {\mathrm{643}}^1\times {\mathrm{2837}}^1$

素因数の和:3487

約数の個数: 24

約数和(自身を含む): 51174816

約数和(自身を除く): 29284524

約数列:

[1, 2, 3, 4, 6, 12, 643, 1286, 1929, 2572, 2837, 3858, 5674, 7716, 8511, 11348, 17022, 34044, 1824191, 3648382, 5472573, 7296764, 10945146, 21890292]

約数ペア:

[(1, 21890292), (2, 10945146), (3, 7296764), (4, 5472573), (6, 3648382), (12, 1824191), (643, 34044), (1286, 17022), (1929, 11348), (2572, 8511), (2837, 7716), (3858, 5674)]