21494842

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{4177}}^1$

素因数の和:4293

約数の個数: 16

約数和(自身を含む): 33691392

約数和(自身を除く): 12196550

約数列:

[1, 2, 31, 62, 83, 166, 2573, 4177, 5146, 8354, 129487, 258974, 346691, 693382, 10747421, 21494842]

約数ペア:

[(1, 21494842), (2, 10747421), (31, 693382), (62, 346691), (83, 258974), (166, 129487), (2573, 8354), (4177, 5146)]