21088108

素因数分解:

$2^2\times {\mathrm{317}}^1\times {\mathrm{16631}}^1$

素因数の和:16952

約数の個数: 12

約数和(自身を含む): 37022832

約数和(自身を除く): 15934724

約数列:

[1, 2, 4, 317, 634, 1268, 16631, 33262, 66524, 5272027, 10544054, 21088108]

約数ペア:

[(1, 21088108), (2, 10544054), (4, 5272027), (317, 66524), (634, 33262), (1268, 16631)]