21439995

素因数分解:

$3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{3301}}^1$

素因数の和:3742

約数の個数: 16

約数和(自身を含む): 34393632

約数和(自身を除く): 12953637

約数列:

[1, 3, 5, 15, 433, 1299, 2165, 3301, 6495, 9903, 16505, 49515, 1429333, 4287999, 7146665, 21439995]

約数ペア:

[(1, 21439995), (3, 7146665), (5, 4287999), (15, 1429333), (433, 49515), (1299, 16505), (2165, 9903), (3301, 6495)]