12821942

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4649}}^1$

素因数の和:4855

約数の個数: 16

約数和(自身を含む): 22096800

約数和(自身を除く): 9274858

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 4649, 9298, 32543, 65086, 915853, 1831706, 6410971, 12821942]

約数ペア:

[(1, 12821942), (2, 6410971), (7, 1831706), (14, 915853), (197, 65086), (394, 32543), (1379, 9298), (2758, 4649)]