21088053

素因数分解:

$3^3\times 7^1\times {\mathrm{111577}}^1$

素因数の和:111593

約数の個数: 16

約数和(自身を含む): 35704960

約数和(自身を除く): 14616907

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 111577, 334731, 781039, 1004193, 2343117, 3012579, 7029351, 21088053]

約数ペア:

[(1, 21088053), (3, 7029351), (7, 3012579), (9, 2343117), (21, 1004193), (27, 781039), (63, 334731), (189, 111577)]