21139998716

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1\times {\mathrm{2113}}^1$

素因数の和:2622

約数の個数: 48

約数和(自身を含む): 38027545248

約数和(自身を除く): 16887546532

約数列:

[1, 2, 4, 61, 122, 131, 244, 262, 313, 524, 626, 1252, 2113, 4226, 7991, 8452, 15982, 19093, 31964, 38186, 41003, 76372, 82006, 128893, 164012, 257786, 276803, 515572, 553606, 661369, 1107212, 1322738, 2501183, 2645476, 5002366, 10004732, 16884983, 33769966, 40343509, 67539932, 80687018, 86639339, 161374036, 173278678, 346557356, 5284999679, 10569999358, 21139998716]

約数ペア:

[(1, 21139998716), (2, 10569999358), (4, 5284999679), (61, 346557356), (122, 173278678), (131, 161374036), (244, 86639339), (262, 80687018), (313, 67539932), (524, 40343509), (626, 33769966), (1252, 16884983), (2113, 10004732), (4226, 5002366), (7991, 2645476), (8452, 2501183), (15982, 1322738), (19093, 1107212), (31964, 661369), (38186, 553606), (41003, 515572), (76372, 276803), (82006, 257786), (128893, 164012)]