21319055255

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1\times {\mathrm{82939}}^1$

素因数の和:83554

約数の個数: 16

約数和(自身を含む): 25887232800

約数和(自身を除く): 4568177545

約数列:

[1, 5, 101, 505, 509, 2545, 51409, 82939, 257045, 414695, 8376839, 41884195, 42215951, 211079755, 4263811051, 21319055255]

約数ペア:

[(1, 21319055255), (5, 4263811051), (101, 211079755), (505, 42215951), (509, 41884195), (2545, 8376839), (51409, 414695), (82939, 257045)]