21897473703

素因数分解:

$3^1\times 7^1\times {\mathrm{16691}}^1\times {\mathrm{62473}}^1$

素因数の和:79174

約数の個数: 16

約数和(自身を含む): 33370112256

約数和(自身を除く): 11472638553

約数列:

[1, 3, 7, 21, 16691, 50073, 62473, 116837, 187419, 350511, 437311, 1311933, 1042736843, 3128210529, 7299157901, 21897473703]

約数ペア:

[(1, 21897473703), (3, 7299157901), (7, 3128210529), (21, 1042736843), (16691, 1311933), (50073, 437311), (62473, 350511), (116837, 187419)]