21022755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8293}}^1$

素因数の和:8327

約数の個数: 24

約数和(自身を含む): 36427248

約数和(自身を除く): 15404493

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 8293, 24879, 41465, 107809, 124395, 323427, 539045, 1401517, 1617135, 4204551, 7007585, 21022755]

約数ペア:

[(1, 21022755), (3, 7007585), (5, 4204551), (13, 1617135), (15, 1401517), (39, 539045), (65, 323427), (169, 124395), (195, 107809), (507, 41465), (845, 24879), (2535, 8293)]