21152642

素因数分解:

$2^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{5879}}^1$

素因数の和:6145

約数の個数: 16

約数和(自身を含む): 36408960

約数和(自身を除く): 15256318

約数列:

[1, 2, 7, 14, 257, 514, 1799, 3598, 5879, 11758, 41153, 82306, 1510903, 3021806, 10576321, 21152642]

約数ペア:

[(1, 21152642), (2, 10576321), (7, 3021806), (14, 1510903), (257, 82306), (514, 41153), (1799, 11758), (3598, 5879)]