21167763644

素因数分解:

$2^2\times {\mathrm{8461}}^1\times {\mathrm{625451}}^1$

素因数の和:633916

約数の個数: 12

約数和(自身を含む): 37048023768

約数和(自身を除く): 15880260124

約数列:

[1, 2, 4, 8461, 16922, 33844, 625451, 1250902, 2501804, 5291940911, 10583881822, 21167763644]

約数ペア:

[(1, 21167763644), (2, 10583881822), (4, 5291940911), (8461, 2501804), (16922, 1250902), (33844, 625451)]