216468274

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{21817}}^1$

素因数の和:21882

約数の個数: 24

約数和(自身を含む): 365626044

約数和(自身を除く): 149157770

約数列:

[1, 2, 11, 22, 41, 82, 121, 242, 451, 902, 4961, 9922, 21817, 43634, 239987, 479974, 894497, 1788994, 2639857, 5279714, 9839467, 19678934, 108234137, 216468274]

約数ペア:

[(1, 216468274), (2, 108234137), (11, 19678934), (22, 9839467), (41, 5279714), (82, 2639857), (121, 1788994), (242, 894497), (451, 479974), (902, 239987), (4961, 43634), (9922, 21817)]