21413458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13709}}^1$

素因数の和:13793

約数の個数: 16

約数和(自身を含む): 35536320

約数和(自身を除く): 14122862

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13709, 27418, 150799, 301598, 973339, 1946678, 10706729, 21413458]

約数ペア:

[(1, 21413458), (2, 10706729), (11, 1946678), (22, 973339), (71, 301598), (142, 150799), (781, 27418), (1562, 13709)]