21816171

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{937}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 34143200

約数和(自身を除く): 12327029

約数列:

[1, 3, 9, 13, 39, 117, 199, 597, 937, 1791, 2587, 2811, 7761, 8433, 12181, 23283, 36543, 109629, 186463, 559389, 1678167, 2424019, 7272057, 21816171]

約数ペア:

[(1, 21816171), (3, 7272057), (9, 2424019), (13, 1678167), (39, 559389), (117, 186463), (199, 109629), (597, 36543), (937, 23283), (1791, 12181), (2587, 8433), (2811, 7761)]