21104577

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{60127}}^1$

素因数の和:60149

約数の個数: 16

約数和(自身を含む): 33671680

約数和(自身を除く): 12567103

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 60127, 180381, 541143, 781651, 1623429, 2344953, 7034859, 21104577]

約数ペア:

[(1, 21104577), (3, 7034859), (9, 2344953), (13, 1623429), (27, 781651), (39, 541143), (117, 180381), (351, 60127)]