21004518

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{32117}}^1$

素因数の和:32231

約数の個数: 16

約数和(自身を含む): 42395760

約数和(自身を除く): 21391242

約数列:

[1, 2, 3, 6, 109, 218, 327, 654, 32117, 64234, 96351, 192702, 3500753, 7001506, 10502259, 21004518]

約数ペア:

[(1, 21004518), (2, 10502259), (3, 7001506), (6, 3500753), (109, 192702), (218, 96351), (327, 64234), (654, 32117)]