21102912272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1\times {\mathrm{2753}}^1$

素因数の和:3180

約数の個数: 80

約数和(自身を含む): 44534493360

約数和(自身を除く): 23431581088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 269, 274, 538, 548, 1076, 1096, 1781, 2152, 2192, 2753, 3497, 3562, 4304, 5506, 6994, 7124, 11012, 13988, 14248, 22024, 27976, 28496, 35789, 36853, 44048, 55952, 71578, 73706, 143156, 147412, 286312, 294824, 377161, 479089, 572624, 589648, 740557, 754322, 958178, 1481114, 1508644, 1916356, 2962228, 3017288, 3832712, 4903093, 5924456, 6034576, 7665424, 9627241, 9806186, 11848912, 19254482, 19612372, 38508964, 39224744, 77017928, 78449488, 101456309, 154035856, 202912618, 405825236, 811650472, 1318932017, 1623300944, 2637864034, 5275728068, 10551456136, 21102912272]

約数ペア:

[(1, 21102912272), (2, 10551456136), (4, 5275728068), (8, 2637864034), (13, 1623300944), (16, 1318932017), (26, 811650472), (52, 405825236), (104, 202912618), (137, 154035856), (208, 101456309), (269, 78449488), (274, 77017928), (538, 39224744), (548, 38508964), (1076, 19612372), (1096, 19254482), (1781, 11848912), (2152, 9806186), (2192, 9627241), (2753, 7665424), (3497, 6034576), (3562, 5924456), (4304, 4903093), (5506, 3832712), (6994, 3017288), (7124, 2962228), (11012, 1916356), (13988, 1508644), (14248, 1481114), (22024, 958178), (27976, 754322), (28496, 740557), (35789, 589648), (36853, 572624), (44048, 479089), (55952, 377161), (71578, 294824), (73706, 286312), (143156, 147412)]