21000901261

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{739}}^1\times {\mathrm{977}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 23448528000

約数和(自身を除く): 2447626739

約数列:

[1, 17, 29, 59, 493, 739, 977, 1003, 1711, 12563, 16609, 21431, 28333, 29087, 43601, 57643, 364327, 481661, 722003, 741217, 979931, 1264429, 1671647, 12274051, 20938087, 21495293, 28417999, 42598177, 355947479, 724169009, 1235347133, 21000901261]

約数ペア:

[(1, 21000901261), (17, 1235347133), (29, 724169009), (59, 355947479), (493, 42598177), (739, 28417999), (977, 21495293), (1003, 20938087), (1711, 12274051), (12563, 1671647), (16609, 1264429), (21431, 979931), (28333, 741217), (29087, 722003), (43601, 481661), (57643, 364327)]