21000948984

素因数分解:

$2^3\times 3^2\times {\mathrm{577}}^1\times {\mathrm{505511}}^1$

素因数の和:506100

約数の個数: 48

約数和(自身を含む): 56976257520

約数和(自身を除く): 35975308536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 577, 1154, 1731, 2308, 3462, 4616, 5193, 6924, 10386, 13848, 20772, 41544, 505511, 1011022, 1516533, 2022044, 3033066, 4044088, 4549599, 6066132, 9099198, 12132264, 18198396, 36396792, 291679847, 583359694, 875039541, 1166719388, 1750079082, 2333438776, 2625118623, 3500158164, 5250237246, 7000316328, 10500474492, 21000948984]

約数ペア:

[(1, 21000948984), (2, 10500474492), (3, 7000316328), (4, 5250237246), (6, 3500158164), (8, 2625118623), (9, 2333438776), (12, 1750079082), (18, 1166719388), (24, 875039541), (36, 583359694), (72, 291679847), (577, 36396792), (1154, 18198396), (1731, 12132264), (2308, 9099198), (3462, 6066132), (4616, 4549599), (5193, 4044088), (6924, 3033066), (10386, 2022044), (13848, 1516533), (20772, 1011022), (41544, 505511)]