21079185

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8123}}^1$

素因数の和:8304

約数の個数: 16

約数和(自身を含む): 33925824

約数和(自身を除く): 12846639

約数列:

[1, 3, 5, 15, 173, 519, 865, 2595, 8123, 24369, 40615, 121845, 1405279, 4215837, 7026395, 21079185]

約数ペア:

[(1, 21079185), (3, 7026395), (5, 4215837), (15, 1405279), (173, 121845), (519, 40615), (865, 24369), (2595, 8123)]