21778158

素因数分解:

$2^1\times 3^1\times {\mathrm{239}}^1\times {\mathrm{15187}}^1$

素因数の和:15431

約数の個数: 16

約数和(自身を含む): 43741440

約数和(自身を除く): 21963282

約数列:

[1, 2, 3, 6, 239, 478, 717, 1434, 15187, 30374, 45561, 91122, 3629693, 7259386, 10889079, 21778158]

約数ペア:

[(1, 21778158), (2, 10889079), (3, 7259386), (6, 3629693), (239, 91122), (478, 45561), (717, 30374), (1434, 15187)]