21486620003

素因数分解:

${\mathrm{19}}^3\times {\mathrm{389}}^1\times {\mathrm{8053}}^1$

素因数の和:8499

約数の個数: 16

約数和(自身を含む): 22741274400

約数和(自身を除く): 1254654397

約数列:

[1, 19, 361, 389, 6859, 7391, 8053, 140429, 153007, 2668151, 2907133, 3132617, 55235527, 59519723, 1130874737, 21486620003]

約数ペア:

[(1, 21486620003), (19, 1130874737), (361, 59519723), (389, 55235527), (6859, 3132617), (7391, 2907133), (8053, 2668151), (140429, 153007)]