21629712

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2039}}^1$

素因数の和:2080

約数の個数: 80

約数和(自身を含む): 63745920

約数和(自身を除く): 42116208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 442, 624, 663, 816, 884, 1326, 1768, 2039, 2652, 3536, 4078, 5304, 6117, 8156, 10608, 12234, 16312, 24468, 26507, 32624, 34663, 48936, 53014, 69326, 79521, 97872, 103989, 106028, 138652, 159042, 207978, 212056, 277304, 318084, 415956, 424112, 450619, 554608, 636168, 831912, 901238, 1272336, 1351857, 1663824, 1802476, 2703714, 3604952, 5407428, 7209904, 10814856, 21629712]

約数ペア:

[(1, 21629712), (2, 10814856), (3, 7209904), (4, 5407428), (6, 3604952), (8, 2703714), (12, 1802476), (13, 1663824), (16, 1351857), (17, 1272336), (24, 901238), (26, 831912), (34, 636168), (39, 554608), (48, 450619), (51, 424112), (52, 415956), (68, 318084), (78, 277304), (102, 212056), (104, 207978), (136, 159042), (156, 138652), (204, 106028), (208, 103989), (221, 97872), (272, 79521), (312, 69326), (408, 53014), (442, 48936), (624, 34663), (663, 32624), (816, 26507), (884, 24468), (1326, 16312), (1768, 12234), (2039, 10608), (2652, 8156), (3536, 6117), (4078, 5304)]