21837878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{9421}}^1$

素因数の和:9503

約数の個数: 16

約数和(自身を含む): 35049840

約数和(自身を除く): 13211962

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 9421, 18842, 178999, 357998, 574681, 1149362, 10918939, 21837878]

約数ペア:

[(1, 21837878), (2, 10918939), (19, 1149362), (38, 574681), (61, 357998), (122, 178999), (1159, 18842), (2318, 9421)]