21707030149

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2557}}^1$

素因数の和:2714

約数の個数: 64

約数和(自身を含む): 28289433600

約数和(自身を除く): 6582403451

約数列:

[1, 7, 19, 29, 31, 71, 133, 203, 217, 497, 551, 589, 899, 1349, 2059, 2201, 2557, 3857, 4123, 6293, 9443, 14413, 15407, 17081, 17899, 39121, 41819, 48583, 63829, 74153, 79267, 119567, 181547, 273847, 292733, 340081, 446803, 519071, 554869, 1212751, 1270829, 1408907, 1506073, 2298743, 3449393, 5264863, 5627957, 8489257, 9862349, 10542511, 16091201, 24145751, 36854041, 39395699, 43676117, 100032397, 106931183, 163210753, 305732819, 700226779, 748518281, 1142475271, 3101004307, 21707030149]

約数ペア:

[(1, 21707030149), (7, 3101004307), (19, 1142475271), (29, 748518281), (31, 700226779), (71, 305732819), (133, 163210753), (203, 106931183), (217, 100032397), (497, 43676117), (551, 39395699), (589, 36854041), (899, 24145751), (1349, 16091201), (2059, 10542511), (2201, 9862349), (2557, 8489257), (3857, 5627957), (4123, 5264863), (6293, 3449393), (9443, 2298743), (14413, 1506073), (15407, 1408907), (17081, 1270829), (17899, 1212751), (39121, 554869), (41819, 519071), (48583, 446803), (63829, 340081), (74153, 292733), (79267, 273847), (119567, 181547)]