21169641

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{937}}^1$

素因数の和:1400

約数の個数: 16

約数和(自身を含む): 29985984

約数和(自身を除く): 8816343

約数列:

[1, 3, 17, 51, 443, 937, 1329, 2811, 7531, 15929, 22593, 47787, 415091, 1245273, 7056547, 21169641]

約数ペア:

[(1, 21169641), (3, 7056547), (17, 1245273), (51, 415091), (443, 47787), (937, 22593), (1329, 15929), (2811, 7531)]