21884037

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3631}}^1$

素因数の和:3689

約数の個数: 24

約数和(自身を含む): 34780032

約数和(自身を除く): 12895995

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 3631, 6027, 10893, 25417, 76251, 148871, 177919, 446613, 533757, 1042097, 3126291, 7294679, 21884037]

約数ペア:

[(1, 21884037), (3, 7294679), (7, 3126291), (21, 1042097), (41, 533757), (49, 446613), (123, 177919), (147, 148871), (287, 76251), (861, 25417), (2009, 10893), (3631, 6027)]