21539937

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2383}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 30210048

約数和(自身を除く): 8670111

約数列:

[1, 3, 23, 69, 131, 393, 2383, 3013, 7149, 9039, 54809, 164427, 312173, 936519, 7179979, 21539937]

約数ペア:

[(1, 21539937), (3, 7179979), (23, 936519), (69, 312173), (131, 164427), (393, 54809), (2383, 9039), (3013, 7149)]