21118174

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137131}}^1$

素因数の和:137151

約数の個数: 16

約数和(自身を含む): 39494016

約数和(自身を除く): 18375842

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 137131, 274262, 959917, 1508441, 1919834, 3016882, 10559087, 21118174]

約数ペア:

[(1, 21118174), (2, 10559087), (7, 3016882), (11, 1919834), (14, 1508441), (22, 959917), (77, 274262), (154, 137131)]