21336441

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{24781}}^1$

素因数の和:24832

約数の個数: 16

約数和(自身を含む): 33307008

約数和(自身を除く): 11970567

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 24781, 74343, 173467, 520401, 1016021, 3048063, 7112147, 21336441]

約数ペア:

[(1, 21336441), (3, 7112147), (7, 3048063), (21, 1016021), (41, 520401), (123, 173467), (287, 74343), (861, 24781)]