21556527

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{2531}}^1$

素因数の和:2718

約数の個数: 16

約数和(自身を含む): 30627072

約数和(自身を除く): 9070545

約数列:

[1, 3, 17, 51, 167, 501, 2531, 2839, 7593, 8517, 43027, 129081, 422677, 1268031, 7185509, 21556527]

約数ペア:

[(1, 21556527), (3, 7185509), (17, 1268031), (51, 422677), (167, 129081), (501, 43027), (2531, 8517), (2839, 7593)]