21038643

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41011}}^1$

素因数の和:41039

約数の個数: 16

約数和(自身を含む): 32809600

約数和(自身を除く): 11770957

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41011, 123033, 369099, 779209, 1107297, 2337627, 7012881, 21038643]

約数ペア:

[(1, 21038643), (3, 7012881), (9, 2337627), (19, 1107297), (27, 779209), (57, 369099), (171, 123033), (513, 41011)]