21031888605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1\times {\mathrm{3517}}^1$

素因数の和:3895

約数の個数: 96

約数和(自身を含む): 41779655424

約数和(自身を除く): 20747766819

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 169, 195, 273, 337, 455, 507, 845, 1011, 1183, 1365, 1685, 2359, 2535, 3517, 3549, 4381, 5055, 5915, 7077, 10551, 11795, 13143, 17585, 17745, 21905, 24619, 30667, 35385, 45721, 52755, 56953, 65715, 73857, 92001, 123095, 137163, 153335, 170859, 228605, 284765, 320047, 369285, 398671, 460005, 594373, 685815, 854295, 960141, 1185229, 1196013, 1600235, 1783119, 1993355, 2971865, 3555687, 4160611, 4800705, 5926145, 5980065, 8296603, 8915595, 12481833, 15407977, 17778435, 20803055, 24889809, 41483015, 46223931, 62409165, 77039885, 107855839, 124449045, 200303701, 231119655, 323567517, 539279195, 600911103, 1001518505, 1402125907, 1617837585, 3004555515, 4206377721, 7010629535, 21031888605]

約数ペア:

[(1, 21031888605), (3, 7010629535), (5, 4206377721), (7, 3004555515), (13, 1617837585), (15, 1402125907), (21, 1001518505), (35, 600911103), (39, 539279195), (65, 323567517), (91, 231119655), (105, 200303701), (169, 124449045), (195, 107855839), (273, 77039885), (337, 62409165), (455, 46223931), (507, 41483015), (845, 24889809), (1011, 20803055), (1183, 17778435), (1365, 15407977), (1685, 12481833), (2359, 8915595), (2535, 8296603), (3517, 5980065), (3549, 5926145), (4381, 4800705), (5055, 4160611), (5915, 3555687), (7077, 2971865), (10551, 1993355), (11795, 1783119), (13143, 1600235), (17585, 1196013), (17745, 1185229), (21905, 960141), (24619, 854295), (30667, 685815), (35385, 594373), (45721, 460005), (52755, 398671), (56953, 369285), (65715, 320047), (73857, 284765), (92001, 228605), (123095, 170859), (137163, 153335)]