21598258

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2879}}^1$

素因数の和:2934

約数の個数: 24

約数和(自身を含む): 36771840

約数和(自身を除く): 15173582

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 2879, 3751, 5758, 7502, 31669, 63338, 89249, 178498, 348359, 696718, 981739, 1963478, 10799129, 21598258]

約数ペア:

[(1, 21598258), (2, 10799129), (11, 1963478), (22, 981739), (31, 696718), (62, 348359), (121, 178498), (242, 89249), (341, 63338), (682, 31669), (2879, 7502), (3751, 5758)]