21498081

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38321}}^1$

素因数の和:38352

約数の個数: 16

約数和(自身を含む): 33110208

約数和(自身を除く): 11612127

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 38321, 114963, 421531, 651457, 1264593, 1954371, 7166027, 21498081]

約数ペア:

[(1, 21498081), (3, 7166027), (11, 1954371), (17, 1264593), (33, 651457), (51, 421531), (187, 114963), (561, 38321)]