21035487

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{167}}^1\times {\mathrm{347}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 31102848

約数和(自身を除く): 10067361

約数列:

[1, 3, 11, 33, 121, 167, 347, 363, 501, 1041, 1837, 3817, 5511, 11451, 20207, 41987, 57949, 60621, 125961, 173847, 637439, 1912317, 7011829, 21035487]

約数ペア:

[(1, 21035487), (3, 7011829), (11, 1912317), (33, 637439), (121, 173847), (167, 125961), (347, 60621), (363, 57949), (501, 41987), (1041, 20207), (1837, 11451), (3817, 5511)]