21240214

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13633}}^1$

素因数の和:13695

約数の個数: 16

約数和(自身を含む): 34357680

約数和(自身を除く): 13117466

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13633, 27266, 259027, 518054, 558953, 1117906, 10620107, 21240214]

約数ペア:

[(1, 21240214), (2, 10620107), (19, 1117906), (38, 558953), (41, 518054), (82, 259027), (779, 27266), (1558, 13633)]