21440754

素因数分解:

$2^1\times 3^3\times {\mathrm{397051}}^1$

素因数の和:397062

約数の個数: 16

約数和(自身を含む): 47646240

約数和(自身を除く): 26205486

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 397051, 794102, 1191153, 2382306, 3573459, 7146918, 10720377, 21440754]

約数ペア:

[(1, 21440754), (2, 10720377), (3, 7146918), (6, 3573459), (9, 2382306), (18, 1191153), (27, 794102), (54, 397051)]