21464541

素因数分解:

$3^3\times 7^1\times {\mathrm{337}}^2$

素因数の和:690

約数の個数: 24

約数和(自身を含む): 36450240

約数和(自身を除く): 14985699

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 337, 1011, 2359, 3033, 7077, 9099, 21231, 63693, 113569, 340707, 794983, 1022121, 2384949, 3066363, 7154847, 21464541]

約数ペア:

[(1, 21464541), (3, 7154847), (7, 3066363), (9, 2384949), (21, 1022121), (27, 794983), (63, 340707), (189, 113569), (337, 63693), (1011, 21231), (2359, 9099), (3033, 7077)]