21000836287

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1049}}^1\times {\mathrm{61981}}^1$

素因数の和:63066

約数の個数: 16

約数和(自身を含む): 23429196000

約数和(自身を除く): 2428359713

約数列:

[1, 17, 19, 323, 1049, 17833, 19931, 61981, 338827, 1053677, 1177639, 20019863, 65018069, 1105307173, 1235343311, 21000836287]

約数ペア:

[(1, 21000836287), (17, 1235343311), (19, 1105307173), (323, 65018069), (1049, 20019863), (17833, 1177639), (19931, 1053677), (61981, 338827)]