21000659412

素因数分解:

$2^2\times 3^1\times {\mathrm{4493}}^1\times {\mathrm{389507}}^1$

素因数の和:394007

約数の個数: 24

約数和(自身を含む): 49012570656

約数和(自身を除く): 28011911244

約数列:

[1, 2, 3, 4, 6, 12, 4493, 8986, 13479, 17972, 26958, 53916, 389507, 779014, 1168521, 1558028, 2337042, 4674084, 1750054951, 3500109902, 5250164853, 7000219804, 10500329706, 21000659412]

約数ペア:

[(1, 21000659412), (2, 10500329706), (3, 7000219804), (4, 5250164853), (6, 3500109902), (12, 1750054951), (4493, 4674084), (8986, 2337042), (13479, 1558028), (17972, 1168521), (26958, 779014), (53916, 389507)]