42171820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49037}}^1$

素因数の和:49089

約数の個数: 24

約数和(自身を含む): 90622224

約数和(自身を除く): 48450404

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 49037, 98074, 196148, 245185, 490370, 980740, 2108591, 4217182, 8434364, 10542955, 21085910, 42171820]

約数ペア:

[(1, 42171820), (2, 21085910), (4, 10542955), (5, 8434364), (10, 4217182), (20, 2108591), (43, 980740), (86, 490370), (172, 245185), (215, 196148), (430, 98074), (860, 49037)]