21065462

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{1999}}^1$

素因数の和:2491

約数の個数: 16

約数和(自身を含む): 34560000

約数和(自身を除く): 13494538

約数列:

[1, 2, 11, 22, 479, 958, 1999, 3998, 5269, 10538, 21989, 43978, 957521, 1915042, 10532731, 21065462]

約数ペア:

[(1, 21065462), (2, 10532731), (11, 1915042), (22, 957521), (479, 43978), (958, 21989), (1999, 10538), (3998, 5269)]