21531326

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{823}}^1$

素因数の和:1055

約数の個数: 16

約数和(自身を含む): 32907264

約数和(自身を除く): 11375938

約数列:

[1, 2, 103, 127, 206, 254, 823, 1646, 13081, 26162, 84769, 104521, 169538, 209042, 10765663, 21531326]

約数ペア:

[(1, 21531326), (2, 10765663), (103, 209042), (127, 169538), (206, 104521), (254, 84769), (823, 26162), (1646, 13081)]