21287544

素因数分解:

$2^3\times 3^1\times {\mathrm{886981}}^1$

素因数の和:886990

約数の個数: 16

約数和(自身を含む): 53218920

約数和(自身を除く): 31931376

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 886981, 1773962, 2660943, 3547924, 5321886, 7095848, 10643772, 21287544]

約数ペア:

[(1, 21287544), (2, 10643772), (3, 7095848), (4, 5321886), (6, 3547924), (8, 2660943), (12, 1773962), (24, 886981)]