21088544

素因数分解:

$2^5\times {\mathrm{661}}^1\times {\mathrm{997}}^1$

素因数の和:1668

約数の個数: 24

約数和(自身を含む): 41622588

約数和(自身を除く): 20534044

約数列:

[1, 2, 4, 8, 16, 32, 661, 997, 1322, 1994, 2644, 3988, 5288, 7976, 10576, 15952, 21152, 31904, 659017, 1318034, 2636068, 5272136, 10544272, 21088544]

約数ペア:

[(1, 21088544), (2, 10544272), (4, 5272136), (8, 2636068), (16, 1318034), (32, 659017), (661, 31904), (997, 21152), (1322, 15952), (1994, 10576), (2644, 7976), (3988, 5288)]