21097412

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1879}}^1$

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 42322560

約数和(自身を除く): 21225148

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 1879, 2807, 3758, 5614, 7516, 11228, 13153, 26306, 52612, 753479, 1506958, 3013916, 5274353, 10548706, 21097412]

約数ペア:

[(1, 21097412), (2, 10548706), (4, 5274353), (7, 3013916), (14, 1506958), (28, 753479), (401, 52612), (802, 26306), (1604, 13153), (1879, 11228), (2807, 7516), (3758, 5614)]