21692408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{159503}}^1$

素因数の和:159526

約数の個数: 16

約数和(自身を含む): 43066080

約数和(自身を除く): 21373672

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 159503, 319006, 638012, 1276024, 2711551, 5423102, 10846204, 21692408]

約数ペア:

[(1, 21692408), (2, 10846204), (4, 5423102), (8, 2711551), (17, 1276024), (34, 638012), (68, 319006), (136, 159503)]