21949484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{857}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 40600560

約数和(自身を除く): 18651076

約数列:

[1, 2, 4, 19, 38, 76, 337, 674, 857, 1348, 1714, 3428, 6403, 12806, 16283, 25612, 32566, 65132, 288809, 577618, 1155236, 5487371, 10974742, 21949484]

約数ペア:

[(1, 21949484), (2, 10974742), (4, 5487371), (19, 1155236), (38, 577618), (76, 288809), (337, 65132), (674, 32566), (857, 25612), (1348, 16283), (1714, 12806), (3428, 6403)]