21702014

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1987}}^1$

素因数の和:2159

約数の個数: 16

約数和(自身を含む): 33589248

約数和(自身を除く): 11887234

約数列:

[1, 2, 43, 86, 127, 254, 1987, 3974, 5461, 10922, 85441, 170882, 252349, 504698, 10851007, 21702014]

約数ペア:

[(1, 21702014), (2, 10851007), (43, 504698), (86, 252349), (127, 170882), (254, 85441), (1987, 10922), (3974, 5461)]