21252544

素因数分解:

$2^6\times {\mathrm{139}}^1\times {\mathrm{2389}}^1$

素因数の和:2540

約数の個数: 28

約数和(自身を含む): 42494200

約数和(自身を除く): 21241656

約数列:

[1, 2, 4, 8, 16, 32, 64, 139, 278, 556, 1112, 2224, 2389, 4448, 4778, 8896, 9556, 19112, 38224, 76448, 152896, 332071, 664142, 1328284, 2656568, 5313136, 10626272, 21252544]

約数ペア:

[(1, 21252544), (2, 10626272), (4, 5313136), (8, 2656568), (16, 1328284), (32, 664142), (64, 332071), (139, 152896), (278, 76448), (556, 38224), (1112, 19112), (2224, 9556), (2389, 8896), (4448, 4778)]