21495927

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{6247}}^1$

素因数の和:6318

約数の個数: 16

約数和(自身を含む): 30390272

約数和(自身を除く): 8894345

約数列:

[1, 3, 31, 37, 93, 111, 1147, 3441, 6247, 18741, 193657, 231139, 580971, 693417, 7165309, 21495927]

約数ペア:

[(1, 21495927), (3, 7165309), (31, 693417), (37, 580971), (93, 231139), (111, 193657), (1147, 18741), (3441, 6247)]