21540843

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{15053}}^1$

素因数の和:15115

約数の個数: 16

約数和(自身を含む): 32516640

約数和(自身を除く): 10975797

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 15053, 45159, 135477, 406431, 797809, 2393427, 7180281, 21540843]

約数ペア:

[(1, 21540843), (3, 7180281), (9, 2393427), (27, 797809), (53, 406431), (159, 135477), (477, 45159), (1431, 15053)]