28219254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{671887}}^1$

素因数の和:671899

約数の個数: 16

約数和(自身を含む): 64501248

約数和(自身を除く): 36281994

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 671887, 1343774, 2015661, 4031322, 4703209, 9406418, 14109627, 28219254]

約数ペア:

[(1, 28219254), (2, 14109627), (3, 9406418), (6, 4703209), (7, 4031322), (14, 2015661), (21, 1343774), (42, 671887)]