21269248

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 57689856

約数和(自身を除く): 36420608

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 83, 88, 91, 104, 112, 128, 143, 154, 166, 176, 182, 208, 224, 256, 286, 308, 332, 352, 364, 416, 448, 572, 581, 616, 664, 704, 728, 832, 896, 913, 1001, 1079, 1144, 1162, 1232, 1328, 1408, 1456, 1664, 1792, 1826, 2002, 2158, 2288, 2324, 2464, 2656, 2816, 2912, 3328, 3652, 4004, 4316, 4576, 4648, 4928, 5312, 5824, 6391, 7304, 7553, 8008, 8632, 9152, 9296, 9856, 10624, 11648, 11869, 12782, 14608, 15106, 16016, 17264, 18304, 18592, 19712, 21248, 23296, 23738, 25564, 29216, 30212, 32032, 34528, 36608, 37184, 47476, 51128, 58432, 60424, 64064, 69056, 74368, 83083, 94952, 102256, 116864, 120848, 128128, 138112, 148736, 166166, 189904, 204512, 233728, 241696, 256256, 276224, 332332, 379808, 409024, 483392, 664664, 759616, 818048, 966784, 1329328, 1519232, 1636096, 1933568, 2658656, 3038464, 5317312, 10634624, 21269248]

約数ペア:

[(1, 21269248), (2, 10634624), (4, 5317312), (7, 3038464), (8, 2658656), (11, 1933568), (13, 1636096), (14, 1519232), (16, 1329328), (22, 966784), (26, 818048), (28, 759616), (32, 664664), (44, 483392), (52, 409024), (56, 379808), (64, 332332), (77, 276224), (83, 256256), (88, 241696), (91, 233728), (104, 204512), (112, 189904), (128, 166166), (143, 148736), (154, 138112), (166, 128128), (176, 120848), (182, 116864), (208, 102256), (224, 94952), (256, 83083), (286, 74368), (308, 69056), (332, 64064), (352, 60424), (364, 58432), (416, 51128), (448, 47476), (572, 37184), (581, 36608), (616, 34528), (664, 32032), (704, 30212), (728, 29216), (832, 25564), (896, 23738), (913, 23296), (1001, 21248), (1079, 19712), (1144, 18592), (1162, 18304), (1232, 17264), (1328, 16016), (1408, 15106), (1456, 14608), (1664, 12782), (1792, 11869), (1826, 11648), (2002, 10624), (2158, 9856), (2288, 9296), (2324, 9152), (2464, 8632), (2656, 8008), (2816, 7553), (2912, 7304), (3328, 6391), (3652, 5824), (4004, 5312), (4316, 4928), (4576, 4648)]