21031454977

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3137}}^1\times {\mathrm{27143}}^1$

素因数の和:30312

約数の個数: 16

約数和(自身を含む): 23849804160

約数和(自身を除く): 2818349183

約数列:

[1, 13, 19, 247, 3137, 27143, 40781, 59603, 352859, 515717, 774839, 6704321, 85147591, 1106918683, 1617804229, 21031454977]

約数ペア:

[(1, 21031454977), (13, 1617804229), (19, 1106918683), (247, 85147591), (3137, 6704321), (27143, 774839), (40781, 515717), (59603, 352859)]