21507696

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1163

約数の個数: 120

約数和(自身を含む): 72475520

約数和(自身を除く): 50967824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 112, 114, 126, 133, 144, 152, 168, 171, 228, 252, 266, 304, 336, 342, 399, 456, 504, 532, 684, 798, 912, 1008, 1064, 1123, 1197, 1368, 1596, 2128, 2246, 2394, 2736, 3192, 3369, 4492, 4788, 6384, 6738, 7861, 8984, 9576, 10107, 13476, 15722, 17968, 19152, 20214, 21337, 23583, 26952, 31444, 40428, 42674, 47166, 53904, 62888, 64011, 70749, 80856, 85348, 94332, 125776, 128022, 141498, 149359, 161712, 170696, 188664, 192033, 256044, 282996, 298718, 341392, 377328, 384066, 448077, 512088, 565992, 597436, 768132, 896154, 1024176, 1131984, 1194872, 1344231, 1536264, 1792308, 2389744, 2688462, 3072528, 3584616, 5376924, 7169232, 10753848, 21507696]

約数ペア:

[(1, 21507696), (2, 10753848), (3, 7169232), (4, 5376924), (6, 3584616), (7, 3072528), (8, 2688462), (9, 2389744), (12, 1792308), (14, 1536264), (16, 1344231), (18, 1194872), (19, 1131984), (21, 1024176), (24, 896154), (28, 768132), (36, 597436), (38, 565992), (42, 512088), (48, 448077), (56, 384066), (57, 377328), (63, 341392), (72, 298718), (76, 282996), (84, 256044), (112, 192033), (114, 188664), (126, 170696), (133, 161712), (144, 149359), (152, 141498), (168, 128022), (171, 125776), (228, 94332), (252, 85348), (266, 80856), (304, 70749), (336, 64011), (342, 62888), (399, 53904), (456, 47166), (504, 42674), (532, 40428), (684, 31444), (798, 26952), (912, 23583), (1008, 21337), (1064, 20214), (1123, 19152), (1197, 17968), (1368, 15722), (1596, 13476), (2128, 10107), (2246, 9576), (2394, 8984), (2736, 7861), (3192, 6738), (3369, 6384), (4492, 4788)]