21354214

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{80279}}^1$

素因数の和:80307

約数の個数: 16

約数和(自身を含む): 38534400

約数和(自身を除く): 17180186

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 80279, 160558, 561953, 1123906, 1525301, 3050602, 10677107, 21354214]

約数ペア:

[(1, 21354214), (2, 10677107), (7, 3050602), (14, 1525301), (19, 1123906), (38, 561953), (133, 160558), (266, 80279)]