21528442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{8039}}^1$

素因数の和:8157

約数の個数: 16

約数和(自身を含む): 35118720

約数和(自身を除く): 13590278

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 8039, 16078, 104507, 209014, 828017, 1656034, 10764221, 21528442]

約数ペア:

[(1, 21528442), (2, 10764221), (13, 1656034), (26, 828017), (103, 209014), (206, 104507), (1339, 16078), (2678, 8039)]