21044954

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65357}}^1$

素因数の和:65389

約数の個数: 16

約数和(自身を含む): 37646208

約数和(自身を除く): 16601254

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65357, 130714, 457499, 914998, 1503211, 3006422, 10522477, 21044954]

約数ペア:

[(1, 21044954), (2, 10522477), (7, 3006422), (14, 1503211), (23, 914998), (46, 457499), (161, 130714), (322, 65357)]