21167983072

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{787}}^1\times {\mathrm{6047}}^1$

素因数の和:6983

約数の個数: 48

約数和(自身を含む): 42034567680

約数和(自身を除く): 20866584608

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 787, 1112, 1574, 2224, 3148, 4448, 6047, 6296, 12094, 12592, 24188, 25184, 48376, 96752, 109393, 193504, 218786, 437572, 840533, 875144, 1681066, 1750288, 3362132, 3500576, 4758989, 6724264, 9517978, 13448528, 19035956, 26897056, 38071912, 76143824, 152287648, 661499471, 1322998942, 2645997884, 5291995768, 10583991536, 21167983072]

約数ペア:

[(1, 21167983072), (2, 10583991536), (4, 5291995768), (8, 2645997884), (16, 1322998942), (32, 661499471), (139, 152287648), (278, 76143824), (556, 38071912), (787, 26897056), (1112, 19035956), (1574, 13448528), (2224, 9517978), (3148, 6724264), (4448, 4758989), (6047, 3500576), (6296, 3362132), (12094, 1750288), (12592, 1681066), (24188, 875144), (25184, 840533), (48376, 437572), (96752, 218786), (109393, 193504)]