21556722

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{326617}}^1$

素因数の和:326633

約数の個数: 16

約数和(自身を含む): 47032992

約数和(自身を除く): 25476270

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 326617, 653234, 979851, 1959702, 3592787, 7185574, 10778361, 21556722]

約数ペア:

[(1, 21556722), (2, 10778361), (3, 7185574), (6, 3592787), (11, 1959702), (22, 979851), (33, 653234), (66, 326617)]