21921514563

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{8081}}^1\times {\mathrm{69557}}^1$

素因数の和:77654

約数の個数: 16

約数和(自身を含む): 31481394336

約数和(自身を除く): 9559879773

約数列:

[1, 3, 13, 39, 8081, 24243, 69557, 105053, 208671, 315159, 904241, 2712723, 562090117, 1686270351, 7307171521, 21921514563]

約数ペア:

[(1, 21921514563), (3, 7307171521), (13, 1686270351), (39, 562090117), (8081, 2712723), (24243, 904241), (69557, 315159), (105053, 208671)]