21594013

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{709}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 26128000

約数和(自身を除く): 4533987

約数列:

[1, 7, 19, 133, 229, 709, 1603, 4351, 4963, 13471, 30457, 94297, 162361, 1136527, 3084859, 21594013]

約数ペア:

[(1, 21594013), (7, 3084859), (19, 1136527), (133, 162361), (229, 94297), (709, 30457), (1603, 13471), (4351, 4963)]