21000259986

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^2\times {\mathrm{6616339}}^1$

素因数の和:6616390

約数の個数: 24

約数和(自身を含む): 43906032240

約数和(自身を除く): 22905772254

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 529, 1058, 1587, 3174, 6616339, 13232678, 19849017, 39698034, 152175797, 304351594, 456527391, 913054782, 3500043331, 7000086662, 10500129993, 21000259986]

約数ペア:

[(1, 21000259986), (2, 10500129993), (3, 7000086662), (6, 3500043331), (23, 913054782), (46, 456527391), (69, 304351594), (138, 152175797), (529, 39698034), (1058, 19849017), (1587, 13232678), (3174, 6616339)]