21428604

素因数分解:

$2^2\times 3^3\times {\mathrm{198413}}^1$

素因数の和:198426

約数の個数: 24

約数和(自身を含む): 55555920

約数和(自身を除く): 34127316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 198413, 396826, 595239, 793652, 1190478, 1785717, 2380956, 3571434, 5357151, 7142868, 10714302, 21428604]

約数ペア:

[(1, 21428604), (2, 10714302), (3, 7142868), (4, 5357151), (6, 3571434), (9, 2380956), (12, 1785717), (18, 1190478), (27, 793652), (36, 595239), (54, 396826), (108, 198413)]