21092427

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45953}}^1$

素因数の和:45979

約数の個数: 16

約数和(自身を含む): 33086880

約数和(自身を除く): 11994453

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45953, 137859, 413577, 781201, 1240731, 2343603, 7030809, 21092427]

約数ペア:

[(1, 21092427), (3, 7030809), (9, 2343603), (17, 1240731), (27, 781201), (51, 413577), (153, 137859), (459, 45953)]