21083595

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8317}}^1$

素因数の和:8351

約数の個数: 24

約数和(自身を含む): 36532656

約数和(自身を除く): 15449061

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 8317, 24951, 41585, 108121, 124755, 324363, 540605, 1405573, 1621815, 4216719, 7027865, 21083595]

約数ペア:

[(1, 21083595), (3, 7027865), (5, 4216719), (13, 1621815), (15, 1405573), (39, 540605), (65, 324363), (169, 124755), (195, 108121), (507, 41585), (845, 24951), (2535, 8317)]