21167243178

素因数分解:

$2^1\times 3^1\times {\mathrm{2621}}^1\times {\mathrm{1346003}}^1$

素因数の和:1348629

約数の個数: 16

約数和(自身を含む): 42350669856

約数和(自身を除く): 21183426678

約数列:

[1, 2, 3, 6, 2621, 5242, 7863, 15726, 1346003, 2692006, 4038009, 8076018, 3527873863, 7055747726, 10583621589, 21167243178]

約数ペア:

[(1, 21167243178), (2, 10583621589), (3, 7055747726), (6, 3527873863), (2621, 8076018), (5242, 4038009), (7863, 2692006), (15726, 1346003)]