21065418

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{106391}}^1$

素因数の和:106410

約数の個数: 24

約数和(自身を含む): 49791456

約数和(自身を除く): 28726038

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 106391, 212782, 319173, 638346, 957519, 1170301, 1915038, 2340602, 3510903, 7021806, 10532709, 21065418]

約数ペア:

[(1, 21065418), (2, 10532709), (3, 7021806), (6, 3510903), (9, 2340602), (11, 1915038), (18, 1170301), (22, 957519), (33, 638346), (66, 319173), (99, 212782), (198, 106391)]