21684082

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{18661}}^1$

素因数の和:18753

約数の個数: 16

約数和(自身を含む): 37622592

約数和(自身を除く): 15938510

約数列:

[1, 2, 7, 14, 83, 166, 581, 1162, 18661, 37322, 130627, 261254, 1548863, 3097726, 10842041, 21684082]

約数ペア:

[(1, 21684082), (2, 10842041), (7, 3097726), (14, 1548863), (83, 261254), (166, 130627), (581, 37322), (1162, 18661)]