21246422

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{499}}^1$

素因数の和:911

約数の個数: 16

約数和(自身を含む): 32550000

約数和(自身を除く): 11303578

約数列:

[1, 2, 61, 122, 349, 499, 698, 998, 21289, 30439, 42578, 60878, 174151, 348302, 10623211, 21246422]

約数ペア:

[(1, 21246422), (2, 10623211), (61, 348302), (122, 174151), (349, 60878), (499, 42578), (698, 30439), (998, 21289)]