210920418

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{272507}}^1$

素因数の和:272558

約数の個数: 24

約数和(自身を含む): 467623728

約数和(自身を除く): 256703310

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 272507, 545014, 817521, 1635042, 2452563, 4905126, 11717801, 23435602, 35153403, 70306806, 105460209, 210920418]

約数ペア:

[(1, 210920418), (2, 105460209), (3, 70306806), (6, 35153403), (9, 23435602), (18, 11717801), (43, 4905126), (86, 2452563), (129, 1635042), (258, 817521), (387, 545014), (774, 272507)]