21220586

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{557}}^1$

素因数の和:1045

約数の個数: 16

約数和(自身を含む): 32703264

約数和(自身を除く): 11482678

約数列:

[1, 2, 43, 86, 443, 557, 886, 1114, 19049, 23951, 38098, 47902, 246751, 493502, 10610293, 21220586]

約数ペア:

[(1, 21220586), (2, 10610293), (43, 493502), (86, 246751), (443, 47902), (557, 38098), (886, 23951), (1114, 19049)]