21065406913

素因数分解:

${\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1019}}^1\times {\mathrm{2797}}^1$

素因数の和:4224

約数の個数: 16

約数和(自身を含む): 22260888000

約数和(自身を除く): 1195481087

約数列:

[1, 19, 389, 1019, 2797, 7391, 19361, 53143, 396391, 1088033, 2850143, 7531429, 20672627, 54152717, 1108705627, 21065406913]

約数ペア:

[(1, 21065406913), (19, 1108705627), (389, 54152717), (1019, 20672627), (2797, 7531429), (7391, 2850143), (19361, 1088033), (53143, 396391)]