21421424

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{8017}}^1$

素因数の和:8192

約数の個数: 20

約数和(自身を含む): 41757744

約数和(自身を除く): 20336320

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 8017, 16034, 32068, 64136, 128272, 1338839, 2677678, 5355356, 10710712, 21421424]

約数ペア:

[(1, 21421424), (2, 10710712), (4, 5355356), (8, 2677678), (16, 1338839), (167, 128272), (334, 64136), (668, 32068), (1336, 16034), (2672, 8017)]