21508114

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{883}}^1$

素因数の和:1545

約数の個数: 16

約数和(自身を含む): 34051680

約数和(自身を除く): 12543566

約数列:

[1, 2, 19, 38, 641, 883, 1282, 1766, 12179, 16777, 24358, 33554, 566003, 1132006, 10754057, 21508114]

約数ペア:

[(1, 21508114), (2, 10754057), (19, 1132006), (38, 566003), (641, 33554), (883, 24358), (1282, 16777), (1766, 12179)]