21000948004

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{411751}}^1$

素因数の和:412107

約数の個数: 24

約数和(自身を含む): 37769187456

約数和(自身を除く): 16768239452

約数列:

[1, 2, 4, 41, 82, 164, 311, 622, 1244, 12751, 25502, 51004, 411751, 823502, 1647004, 16881791, 33763582, 67527164, 128054561, 256109122, 512218244, 5250237001, 10500474002, 21000948004]

約数ペア:

[(1, 21000948004), (2, 10500474002), (4, 5250237001), (41, 512218244), (82, 256109122), (164, 128054561), (311, 67527164), (622, 33763582), (1244, 16881791), (12751, 1647004), (25502, 823502), (51004, 411751)]