21000766974733

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{5693}}^1\times {\mathrm{5791013}}^1$

素因数の和:5796733

約数の個数: 24

約数和(自身を含む): 26313278905368

約数和(自身を除く): 5312511930635

約数列:

[1, 7, 13, 49, 91, 637, 5693, 39851, 74009, 278957, 518063, 3626441, 5791013, 40537091, 75283169, 283759637, 526982183, 3688875281, 32968237009, 230777659063, 428587081117, 1615443613441, 3000109567819, 21000766974733]

約数ペア:

[(1, 21000766974733), (7, 3000109567819), (13, 1615443613441), (49, 428587081117), (91, 230777659063), (637, 32968237009), (5693, 3688875281), (39851, 526982183), (74009, 283759637), (278957, 75283169), (518063, 40537091), (3626441, 5791013)]