21347334

素因数分解:

$2^1\times 3^3\times {\mathrm{395321}}^1$

素因数の和:395332

約数の個数: 16

約数和(自身を含む): 47438640

約数和(自身を除く): 26091306

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 395321, 790642, 1185963, 2371926, 3557889, 7115778, 10673667, 21347334]

約数ペア:

[(1, 21347334), (2, 10673667), (3, 7115778), (6, 3557889), (9, 2371926), (18, 1185963), (27, 790642), (54, 395321)]