21113103

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27817}}^1$

素因数の和:27854

約数の個数: 16

約数和(自身を含む): 32046336

約数和(自身を除く): 10933233

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 27817, 83451, 305987, 639791, 917961, 1919373, 7037701, 21113103]

約数ペア:

[(1, 21113103), (3, 7037701), (11, 1919373), (23, 917961), (33, 639791), (69, 305987), (253, 83451), (759, 27817)]