21086906

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{823}}^1$

素因数の和:1405

約数の個数: 16

約数和(自身を含む): 33105024

約数和(自身を除く): 12018118

約数列:

[1, 2, 23, 46, 557, 823, 1114, 1646, 12811, 18929, 25622, 37858, 458411, 916822, 10543453, 21086906]

約数ペア:

[(1, 21086906), (2, 10543453), (23, 916822), (46, 458411), (557, 37858), (823, 25622), (1114, 18929), (1646, 12811)]