21493857

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{93047}}^1$

素因数の和:93068

約数の個数: 16

約数和(自身を含む): 35730432

約数和(自身を除く): 14236575

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 93047, 279141, 651329, 1023517, 1953987, 3070551, 7164619, 21493857]

約数ペア:

[(1, 21493857), (3, 7164619), (7, 3070551), (11, 1953987), (21, 1023517), (33, 651329), (77, 279141), (231, 93047)]