21697611

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{6703}}^1$

素因数の和:6802

約数の個数: 16

約数和(自身を含む): 31535616

約数和(自身を除く): 9838005

約数列:

[1, 3, 13, 39, 83, 249, 1079, 3237, 6703, 20109, 87139, 261417, 556349, 1669047, 7232537, 21697611]

約数ペア:

[(1, 21697611), (3, 7232537), (13, 1669047), (39, 556349), (83, 261417), (249, 87139), (1079, 20109), (3237, 6703)]