21429447

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{3371}}^1$

素因数の和:3550

約数の個数: 16

約数和(自身を含む): 30968448

約数和(自身を除く): 9539001

約数列:

[1, 3, 13, 39, 163, 489, 2119, 3371, 6357, 10113, 43823, 131469, 549473, 1648419, 7143149, 21429447]

約数ペア:

[(1, 21429447), (3, 7143149), (13, 1648419), (39, 549473), (163, 131469), (489, 43823), (2119, 10113), (3371, 6357)]