21939576

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{3557}}^1$

素因数の和:3823

約数の個数: 32

約数和(自身を含む): 55077840

約数和(自身を除く): 33138264

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 1028, 1542, 2056, 3084, 3557, 6168, 7114, 10671, 14228, 21342, 28456, 42684, 85368, 914149, 1828298, 2742447, 3656596, 5484894, 7313192, 10969788, 21939576]

約数ペア:

[(1, 21939576), (2, 10969788), (3, 7313192), (4, 5484894), (6, 3656596), (8, 2742447), (12, 1828298), (24, 914149), (257, 85368), (514, 42684), (771, 28456), (1028, 21342), (1542, 14228), (2056, 10671), (3084, 7114), (3557, 6168)]