21704510

素因数分解:

$2^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{2393}}^1$

素因数の和:3307

約数の個数: 16

約数和(自身を含む): 39127536

約数和(自身を除く): 17423026

約数列:

[1, 2, 5, 10, 907, 1814, 2393, 4535, 4786, 9070, 11965, 23930, 2170451, 4340902, 10852255, 21704510]

約数ペア:

[(1, 21704510), (2, 10852255), (5, 4340902), (10, 2170451), (907, 23930), (1814, 11965), (2393, 9070), (4535, 4786)]