21278592

素因数分解:

$2^7\times 3^3\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 128

約数和(自身を含む): 64627200

約数和(自身を除く): 43348608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 94, 96, 108, 128, 131, 141, 144, 188, 192, 216, 262, 282, 288, 376, 384, 393, 423, 432, 524, 564, 576, 752, 786, 846, 864, 1048, 1128, 1152, 1179, 1269, 1504, 1572, 1692, 1728, 2096, 2256, 2358, 2538, 3008, 3144, 3384, 3456, 3537, 4192, 4512, 4716, 5076, 6016, 6157, 6288, 6768, 7074, 8384, 9024, 9432, 10152, 12314, 12576, 13536, 14148, 16768, 18048, 18471, 18864, 20304, 24628, 25152, 27072, 28296, 36942, 37728, 40608, 49256, 50304, 54144, 55413, 56592, 73884, 75456, 81216, 98512, 110826, 113184, 147768, 150912, 162432, 166239, 197024, 221652, 226368, 295536, 332478, 394048, 443304, 452736, 591072, 664956, 788096, 886608, 1182144, 1329912, 1773216, 2364288, 2659824, 3546432, 5319648, 7092864, 10639296, 21278592]

約数ペア:

[(1, 21278592), (2, 10639296), (3, 7092864), (4, 5319648), (6, 3546432), (8, 2659824), (9, 2364288), (12, 1773216), (16, 1329912), (18, 1182144), (24, 886608), (27, 788096), (32, 664956), (36, 591072), (47, 452736), (48, 443304), (54, 394048), (64, 332478), (72, 295536), (94, 226368), (96, 221652), (108, 197024), (128, 166239), (131, 162432), (141, 150912), (144, 147768), (188, 113184), (192, 110826), (216, 98512), (262, 81216), (282, 75456), (288, 73884), (376, 56592), (384, 55413), (393, 54144), (423, 50304), (432, 49256), (524, 40608), (564, 37728), (576, 36942), (752, 28296), (786, 27072), (846, 25152), (864, 24628), (1048, 20304), (1128, 18864), (1152, 18471), (1179, 18048), (1269, 16768), (1504, 14148), (1572, 13536), (1692, 12576), (1728, 12314), (2096, 10152), (2256, 9432), (2358, 9024), (2538, 8384), (3008, 7074), (3144, 6768), (3384, 6288), (3456, 6157), (3537, 6016), (4192, 5076), (4512, 4716)]