21701259

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2627

約数の個数: 24

約数和(自身を含む): 33520032

約数和(自身を除く): 11818773

約数列:

[1, 3, 9, 23, 41, 69, 123, 207, 369, 943, 2557, 2829, 7671, 8487, 23013, 58811, 104837, 176433, 314511, 529299, 943533, 2411251, 7233753, 21701259]

約数ペア:

[(1, 21701259), (3, 7233753), (9, 2411251), (23, 943533), (41, 529299), (69, 314511), (123, 176433), (207, 104837), (369, 58811), (943, 23013), (2557, 8487), (2829, 7671)]