21651773

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 26966880

約数和(自身を除く): 5315107

約数列:

[1, 11, 13, 19, 143, 169, 209, 247, 613, 1859, 2717, 3211, 6743, 7969, 11647, 35321, 87659, 103597, 128117, 151411, 1139567, 1665521, 1968343, 21651773]

約数ペア:

[(1, 21651773), (11, 1968343), (13, 1665521), (19, 1139567), (143, 151411), (169, 128117), (209, 103597), (247, 87659), (613, 35321), (1859, 11647), (2717, 7969), (3211, 6743)]