21406407

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{34141}}^1$

素因数の和:34174

約数の個数: 16

約数和(自身を含む): 32776320

約数和(自身を除く): 11369913

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 34141, 102423, 375551, 648679, 1126653, 1946037, 7135469, 21406407]

約数ペア:

[(1, 21406407), (3, 7135469), (11, 1946037), (19, 1126653), (33, 648679), (57, 375551), (209, 102423), (627, 34141)]