21033872

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42407}}^1$

素因数の和:42446

約数の個数: 20

約数和(自身を含む): 42068736

約数和(自身を除く): 21034864

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42407, 84814, 169628, 339256, 678512, 1314617, 2629234, 5258468, 10516936, 21033872]

約数ペア:

[(1, 21033872), (2, 10516936), (4, 5258468), (8, 2629234), (16, 1314617), (31, 678512), (62, 339256), (124, 169628), (248, 84814), (496, 42407)]