21580794

素因数分解:

$2^1\times 3^2\times {\mathrm{269}}^1\times {\mathrm{4457}}^1$

素因数の和:4734

約数の個数: 24

約数和(自身を含む): 46942740

約数和(自身を除く): 25361946

約数列:

[1, 2, 3, 6, 9, 18, 269, 538, 807, 1614, 2421, 4457, 4842, 8914, 13371, 26742, 40113, 80226, 1198933, 2397866, 3596799, 7193598, 10790397, 21580794]

約数ペア:

[(1, 21580794), (2, 10790397), (3, 7193598), (6, 3596799), (9, 2397866), (18, 1198933), (269, 80226), (538, 40113), (807, 26742), (1614, 13371), (2421, 8914), (4457, 4842)]