21866489

素因数分解:

${\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 23358720

約数和(自身を除く): 1492231

約数列:

[1, 41, 43, 79, 157, 1763, 3239, 3397, 6437, 6751, 12403, 139277, 276791, 508523, 533329, 21866489]

約数ペア:

[(1, 21866489), (41, 533329), (43, 508523), (79, 276791), (157, 139277), (1763, 12403), (3239, 6751), (3397, 6437)]