21608718

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{43391}}^1$

素因数の和:43479

約数の個数: 16

約数和(自身を含む): 43739136

約数和(自身を除く): 22130418

約数列:

[1, 2, 3, 6, 83, 166, 249, 498, 43391, 86782, 130173, 260346, 3601453, 7202906, 10804359, 21608718]

約数ペア:

[(1, 21608718), (2, 10804359), (3, 7202906), (6, 3601453), (83, 260346), (166, 130173), (249, 86782), (498, 43391)]