21525897

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{3659}}^1$

素因数の和:3752

約数の個数: 16

約数和(自身を含む): 30041280

約数和(自身を除く): 8515383

約数列:

[1, 3, 37, 53, 111, 159, 1961, 3659, 5883, 10977, 135383, 193927, 406149, 581781, 7175299, 21525897]

約数ペア:

[(1, 21525897), (3, 7175299), (37, 581781), (53, 406149), (111, 193927), (159, 135383), (1961, 10977), (3659, 5883)]