21407582

素因数分解:

$2^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1543}}^1$

素因数の和:2543

約数の個数: 16

約数和(自身を含む): 36759552

約数和(自身を除く): 15351970

約数列:

[1, 2, 7, 14, 991, 1543, 1982, 3086, 6937, 10801, 13874, 21602, 1529113, 3058226, 10703791, 21407582]

約数ペア:

[(1, 21407582), (2, 10703791), (7, 3058226), (14, 1529113), (991, 21602), (1543, 13874), (1982, 10801), (3086, 6937)]