21868341

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{2293}}^1$

素因数の和:2341

約数の個数: 24

約数和(自身を含む): 33804384

約数和(自身を除く): 11936043

約数列:

[1, 3, 11, 17, 33, 51, 187, 289, 561, 867, 2293, 3179, 6879, 9537, 25223, 38981, 75669, 116943, 428791, 662677, 1286373, 1988031, 7289447, 21868341]

約数ペア:

[(1, 21868341), (3, 7289447), (11, 1988031), (17, 1286373), (33, 662677), (51, 428791), (187, 116943), (289, 75669), (561, 38981), (867, 25223), (2293, 9537), (3179, 6879)]