21146554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73939}}^1$

素因数の和:73965

約数の個数: 16

約数和(自身を含む): 37265760

約数和(自身を除く): 16119206

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 73939, 147878, 813329, 961207, 1626658, 1922414, 10573277, 21146554]

約数ペア:

[(1, 21146554), (2, 10573277), (11, 1922414), (13, 1626658), (22, 961207), (26, 813329), (143, 147878), (286, 73939)]