21056554545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1373}}^1$

素因数の和:1527

約数の個数: 128

約数和(自身を含む): 39001374720

約数和(自身を除く): 17944820175

約数列:

[1, 3, 5, 13, 15, 31, 39, 43, 59, 65, 93, 129, 155, 177, 195, 215, 295, 403, 465, 559, 645, 767, 885, 1209, 1333, 1373, 1677, 1829, 2015, 2301, 2537, 2795, 3835, 3999, 4119, 5487, 6045, 6665, 6865, 7611, 8385, 9145, 11505, 12685, 17329, 17849, 19995, 20595, 23777, 27435, 32981, 38055, 42563, 51987, 53547, 59039, 71331, 78647, 81007, 86645, 89245, 98943, 118885, 127689, 164905, 177117, 212815, 235941, 243021, 259935, 267735, 295195, 356655, 393235, 405035, 494715, 553319, 638445, 767507, 885585, 1022411, 1053091, 1179705, 1215105, 1659957, 1830209, 2302521, 2511217, 2766595, 3067233, 3159273, 3483301, 3837535, 5112055, 5265455, 5490627, 7533651, 8299785, 9151045, 10449903, 11512605, 12556085, 15336165, 15796365, 17416505, 23792717, 27453135, 32645821, 37668255, 45282913, 52249515, 71378151, 97937463, 107982331, 118963585, 135848739, 163229105, 226414565, 323946993, 356890755, 489687315, 539911655, 679243695, 1403770303, 1619734965, 4211310909, 7018851515, 21056554545]

約数ペア:

[(1, 21056554545), (3, 7018851515), (5, 4211310909), (13, 1619734965), (15, 1403770303), (31, 679243695), (39, 539911655), (43, 489687315), (59, 356890755), (65, 323946993), (93, 226414565), (129, 163229105), (155, 135848739), (177, 118963585), (195, 107982331), (215, 97937463), (295, 71378151), (403, 52249515), (465, 45282913), (559, 37668255), (645, 32645821), (767, 27453135), (885, 23792717), (1209, 17416505), (1333, 15796365), (1373, 15336165), (1677, 12556085), (1829, 11512605), (2015, 10449903), (2301, 9151045), (2537, 8299785), (2795, 7533651), (3835, 5490627), (3999, 5265455), (4119, 5112055), (5487, 3837535), (6045, 3483301), (6665, 3159273), (6865, 3067233), (7611, 2766595), (8385, 2511217), (9145, 2302521), (11505, 1830209), (12685, 1659957), (17329, 1215105), (17849, 1179705), (19995, 1053091), (20595, 1022411), (23777, 885585), (27435, 767507), (32981, 638445), (38055, 553319), (42563, 494715), (51987, 405035), (53547, 393235), (59039, 356655), (71331, 295195), (78647, 267735), (81007, 259935), (86645, 243021), (89245, 235941), (98943, 212815), (118885, 177117), (127689, 164905)]