21366824

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157109}}^1$

素因数の和:157132

約数の個数: 16

約数和(自身を含む): 42419700

約数和(自身を除く): 21052876

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157109, 314218, 628436, 1256872, 2670853, 5341706, 10683412, 21366824]

約数ペア:

[(1, 21366824), (2, 10683412), (4, 5341706), (8, 2670853), (17, 1256872), (34, 628436), (68, 314218), (136, 157109)]