21081858232

素因数分解:

$2^3\times {\mathrm{461}}^1\times {\mathrm{577}}^1\times {\mathrm{9907}}^1$

素因数の和:10951

約数の個数: 32

約数和(自身を含む): 39686890320

約数和(自身を除く): 18605032088

約数列:

[1, 2, 4, 8, 461, 577, 922, 1154, 1844, 2308, 3688, 4616, 9907, 19814, 39628, 79256, 265997, 531994, 1063988, 2127976, 4567127, 5716339, 9134254, 11432678, 18268508, 22865356, 36537016, 45730712, 2635232279, 5270464558, 10540929116, 21081858232]

約数ペア:

[(1, 21081858232), (2, 10540929116), (4, 5270464558), (8, 2635232279), (461, 45730712), (577, 36537016), (922, 22865356), (1154, 18268508), (1844, 11432678), (2308, 9134254), (3688, 5716339), (4616, 4567127), (9907, 2127976), (19814, 1063988), (39628, 531994), (79256, 265997)]