21964019

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15013}}^1$

素因数の和:15050

約数の個数: 16

約数和(自身を含む): 28826880

約数和(自身を除く): 6862861

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 15013, 105091, 165143, 285247, 1156001, 1996729, 3137717, 21964019]

約数ペア:

[(1, 21964019), (7, 3137717), (11, 1996729), (19, 1156001), (77, 285247), (133, 165143), (209, 105091), (1463, 15013)]