21635667

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3659}}^1$

素因数の和:3744

約数の個数: 20

約数和(自身を含む): 32771640

約数和(自身を除く): 11135973

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3659, 5913, 10977, 32931, 98793, 267107, 296379, 801321, 2403963, 7211889, 21635667]

約数ペア:

[(1, 21635667), (3, 7211889), (9, 2403963), (27, 801321), (73, 296379), (81, 267107), (219, 98793), (657, 32931), (1971, 10977), (3659, 5913)]