21809534

素因数分解:

$2^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:691

約数の個数: 16

約数和(自身を含む): 33176736

約数和(自身を除く): 11367202

約数列:

[1, 2, 151, 257, 281, 302, 514, 562, 38807, 42431, 72217, 77614, 84862, 144434, 10904767, 21809534]

約数ペア:

[(1, 21809534), (2, 10904767), (151, 144434), (257, 84862), (281, 77614), (302, 72217), (514, 42431), (562, 38807)]