21441563

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 26053104

約数和(自身を除く): 4611541

約数列:

[1, 11, 13, 43, 121, 143, 317, 473, 559, 1573, 3487, 4121, 5203, 6149, 13631, 38357, 45331, 67639, 149941, 177203, 498641, 1649351, 1949233, 21441563]

約数ペア:

[(1, 21441563), (11, 1949233), (13, 1649351), (43, 498641), (121, 177203), (143, 149941), (317, 67639), (473, 45331), (559, 38357), (1573, 13631), (3487, 6149), (4121, 5203)]