21013023

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1621}}^1$

素因数の和:1802

約数の個数: 16

約数和(自身を含む): 29196000

約数和(自身を除く): 8182977

約数列:

[1, 3, 29, 87, 149, 447, 1621, 4321, 4863, 12963, 47009, 141027, 241529, 724587, 7004341, 21013023]

約数ペア:

[(1, 21013023), (3, 7004341), (29, 724587), (87, 241529), (149, 141027), (447, 47009), (1621, 12963), (4321, 4863)]