21941984

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{4933}}^1$

素因数の和:5082

約数の個数: 24

約数和(自身を含む): 43517880

約数和(自身を除く): 21575896

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 4933, 9866, 19732, 39464, 78928, 157856, 685687, 1371374, 2742748, 5485496, 10970992, 21941984]

約数ペア:

[(1, 21941984), (2, 10970992), (4, 5485496), (8, 2742748), (16, 1371374), (32, 685687), (139, 157856), (278, 78928), (556, 39464), (1112, 19732), (2224, 9866), (4448, 4933)]