21812043

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{2153}}^1$

素因数の和:2474

約数の個数: 16

約数和(自身を含む): 31844736

約数和(自身を除く): 10032693

約数列:

[1, 3, 11, 33, 307, 921, 2153, 3377, 6459, 10131, 23683, 71049, 660971, 1982913, 7270681, 21812043]

約数ペア:

[(1, 21812043), (3, 7270681), (11, 1982913), (33, 660971), (307, 71049), (921, 23683), (2153, 10131), (3377, 6459)]