21175167

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{3331}}^1$

素因数の和:3510

約数の個数: 16

約数和(自身を含む): 30601088

約数和(自身を除く): 9425921

約数列:

[1, 3, 13, 39, 163, 489, 2119, 3331, 6357, 9993, 43303, 129909, 542953, 1628859, 7058389, 21175167]

約数ペア:

[(1, 21175167), (3, 7058389), (13, 1628859), (39, 542953), (163, 129909), (489, 43303), (2119, 9993), (3331, 6357)]