21091121568

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{50821}}^1$

素因数の和:50979

約数の個数: 144

約数和(自身を含む): 65931177312

約数和(自身を除く): 44840055744

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 131, 132, 144, 176, 198, 262, 264, 288, 352, 393, 396, 524, 528, 786, 792, 1048, 1056, 1179, 1441, 1572, 1584, 2096, 2358, 2882, 3144, 3168, 4192, 4323, 4716, 5764, 6288, 8646, 9432, 11528, 12576, 12969, 17292, 18864, 23056, 25938, 34584, 37728, 46112, 50821, 51876, 69168, 101642, 103752, 138336, 152463, 203284, 207504, 304926, 406568, 415008, 457389, 559031, 609852, 813136, 914778, 1118062, 1219704, 1626272, 1677093, 1829556, 2236124, 2439408, 3354186, 3659112, 4472248, 4878816, 5031279, 6657551, 6708372, 7318224, 8944496, 10062558, 13315102, 13416744, 14636448, 17888992, 19972653, 20125116, 26630204, 26833488, 39945306, 40250232, 53260408, 53666976, 59917959, 73233061, 79890612, 80500464, 106520816, 119835918, 146466122, 159781224, 161000928, 213041632, 219699183, 239671836, 292932244, 319562448, 439398366, 479343672, 585864488, 639124896, 659097549, 878796732, 958687344, 1171728976, 1318195098, 1757593464, 1917374688, 2343457952, 2636390196, 3515186928, 5272780392, 7030373856, 10545560784, 21091121568]

約数ペア:

[(1, 21091121568), (2, 10545560784), (3, 7030373856), (4, 5272780392), (6, 3515186928), (8, 2636390196), (9, 2343457952), (11, 1917374688), (12, 1757593464), (16, 1318195098), (18, 1171728976), (22, 958687344), (24, 878796732), (32, 659097549), (33, 639124896), (36, 585864488), (44, 479343672), (48, 439398366), (66, 319562448), (72, 292932244), (88, 239671836), (96, 219699183), (99, 213041632), (131, 161000928), (132, 159781224), (144, 146466122), (176, 119835918), (198, 106520816), (262, 80500464), (264, 79890612), (288, 73233061), (352, 59917959), (393, 53666976), (396, 53260408), (524, 40250232), (528, 39945306), (786, 26833488), (792, 26630204), (1048, 20125116), (1056, 19972653), (1179, 17888992), (1441, 14636448), (1572, 13416744), (1584, 13315102), (2096, 10062558), (2358, 8944496), (2882, 7318224), (3144, 6708372), (3168, 6657551), (4192, 5031279), (4323, 4878816), (4716, 4472248), (5764, 3659112), (6288, 3354186), (8646, 2439408), (9432, 2236124), (11528, 1829556), (12576, 1677093), (12969, 1626272), (17292, 1219704), (18864, 1118062), (23056, 914778), (25938, 813136), (34584, 609852), (37728, 559031), (46112, 457389), (50821, 415008), (51876, 406568), (69168, 304926), (101642, 207504), (103752, 203284), (138336, 152463)]