21617037

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{2281}}^1$

素因数の和:2312

約数の個数: 28

約数和(自身を含む): 34919164

約数和(自身を除く): 13302127

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2281, 3159, 6843, 9477, 20529, 29653, 61587, 88959, 184761, 266877, 554283, 800631, 1662849, 2401893, 7205679, 21617037]

約数ペア:

[(1, 21617037), (3, 7205679), (9, 2401893), (13, 1662849), (27, 800631), (39, 554283), (81, 266877), (117, 184761), (243, 88959), (351, 61587), (729, 29653), (1053, 20529), (2281, 9477), (3159, 6843)]