21114513

素因数分解:

$3^5\times 7^1\times {\mathrm{12413}}^1$

素因数の和:12435

約数の個数: 24

約数和(自身を含む): 36149568

約数和(自身を除く): 15035055

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 12413, 37239, 86891, 111717, 260673, 335151, 782019, 1005453, 2346057, 3016359, 7038171, 21114513]

約数ペア:

[(1, 21114513), (3, 7038171), (7, 3016359), (9, 2346057), (21, 1005453), (27, 782019), (63, 335151), (81, 260673), (189, 111717), (243, 86891), (567, 37239), (1701, 12413)]