21256686

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{107357}}^1$

素因数の和:107376

約数の個数: 24

約数和(自身を含む): 50243544

約数和(自身を除く): 28986858

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 107357, 214714, 322071, 644142, 966213, 1180927, 1932426, 2361854, 3542781, 7085562, 10628343, 21256686]

約数ペア:

[(1, 21256686), (2, 10628343), (3, 7085562), (6, 3542781), (9, 2361854), (11, 1932426), (18, 1180927), (22, 966213), (33, 644142), (66, 322071), (99, 214714), (198, 107357)]