21244433

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1039}}^1$

素因数の和:1196

約数の個数: 16

約数和(自身を含む): 25559040

約数和(自身を除く): 4314607

約数列:

[1, 7, 23, 127, 161, 889, 1039, 2921, 7273, 20447, 23897, 131953, 167279, 923671, 3034919, 21244433]

約数ペア:

[(1, 21244433), (7, 3034919), (23, 923671), (127, 167279), (161, 131953), (889, 23897), (1039, 20447), (2921, 7273)]