21358095

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129443}}^1$

素因数の和:129462

約数の個数: 16

約数和(自身を含む): 37279872

約数和(自身を除く): 15921777

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 129443, 388329, 647215, 1423873, 1941645, 4271619, 7119365, 21358095]

約数ペア:

[(1, 21358095), (3, 7119365), (5, 4271619), (11, 1941645), (15, 1423873), (33, 647215), (55, 388329), (165, 129443)]