21085916852

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{19577}}^1$

素因数の和:19881

約数の個数: 96

約数和(自身を含む): 49731252480

約数和(自身を除く): 28645335628

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 269, 286, 308, 364, 538, 572, 1001, 1076, 1883, 2002, 2959, 3497, 3766, 4004, 5918, 6994, 7532, 11836, 13988, 19577, 20713, 24479, 38467, 39154, 41426, 48958, 76934, 78308, 82852, 97916, 137039, 153868, 215347, 254501, 269269, 274078, 430694, 509002, 538538, 548156, 861388, 1018004, 1077076, 1507429, 1781507, 2799511, 3014858, 3563014, 5266213, 5599022, 6029716, 7126028, 10532426, 11198044, 19596577, 21064852, 36863491, 39193154, 57928343, 68460769, 73726982, 78386308, 115856686, 136921538, 147453964, 231713372, 273843076, 405498401, 479225383, 753068459, 810996802, 958450766, 1506136918, 1621993604, 1916901532, 3012273836, 5271479213, 10542958426, 21085916852]

約数ペア:

[(1, 21085916852), (2, 10542958426), (4, 5271479213), (7, 3012273836), (11, 1916901532), (13, 1621993604), (14, 1506136918), (22, 958450766), (26, 810996802), (28, 753068459), (44, 479225383), (52, 405498401), (77, 273843076), (91, 231713372), (143, 147453964), (154, 136921538), (182, 115856686), (269, 78386308), (286, 73726982), (308, 68460769), (364, 57928343), (538, 39193154), (572, 36863491), (1001, 21064852), (1076, 19596577), (1883, 11198044), (2002, 10532426), (2959, 7126028), (3497, 6029716), (3766, 5599022), (4004, 5266213), (5918, 3563014), (6994, 3014858), (7532, 2799511), (11836, 1781507), (13988, 1507429), (19577, 1077076), (20713, 1018004), (24479, 861388), (38467, 548156), (39154, 538538), (41426, 509002), (48958, 430694), (76934, 274078), (78308, 269269), (82852, 254501), (97916, 215347), (137039, 153868)]