21984485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{5503}}^1$

素因数の和:5572

約数の個数: 16

約数和(自身を含む): 28532736

約数和(自身を除く): 6548251

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 5503, 27515, 93551, 258641, 467755, 1293205, 4396897, 21984485]

約数ペア:

[(1, 21984485), (5, 4396897), (17, 1293205), (47, 467755), (85, 258641), (235, 93551), (799, 27515), (3995, 5503)]