12891858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{306949}}^1$

素因数の和:306961

約数の個数: 16

約数和(自身を含む): 29467200

約数和(自身を除く): 16575342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 306949, 613898, 920847, 1841694, 2148643, 4297286, 6445929, 12891858]

約数ペア:

[(1, 12891858), (2, 6445929), (3, 4297286), (6, 2148643), (7, 1841694), (14, 920847), (21, 613898), (42, 306949)]