21055488

素因数分解:

$2^{11}\times 3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 58968000

約数和(自身を除く): 37912512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 149, 184, 192, 256, 276, 298, 368, 384, 447, 512, 552, 596, 736, 768, 894, 1024, 1104, 1192, 1472, 1536, 1788, 2048, 2208, 2384, 2944, 3072, 3427, 3576, 4416, 4768, 5888, 6144, 6854, 7152, 8832, 9536, 10281, 11776, 13708, 14304, 17664, 19072, 20562, 23552, 27416, 28608, 35328, 38144, 41124, 47104, 54832, 57216, 70656, 76288, 82248, 109664, 114432, 141312, 152576, 164496, 219328, 228864, 305152, 328992, 438656, 457728, 657984, 877312, 915456, 1315968, 1754624, 2631936, 3509248, 5263872, 7018496, 10527744, 21055488]

約数ペア:

[(1, 21055488), (2, 10527744), (3, 7018496), (4, 5263872), (6, 3509248), (8, 2631936), (12, 1754624), (16, 1315968), (23, 915456), (24, 877312), (32, 657984), (46, 457728), (48, 438656), (64, 328992), (69, 305152), (92, 228864), (96, 219328), (128, 164496), (138, 152576), (149, 141312), (184, 114432), (192, 109664), (256, 82248), (276, 76288), (298, 70656), (368, 57216), (384, 54832), (447, 47104), (512, 41124), (552, 38144), (596, 35328), (736, 28608), (768, 27416), (894, 23552), (1024, 20562), (1104, 19072), (1192, 17664), (1472, 14304), (1536, 13708), (1788, 11776), (2048, 10281), (2208, 9536), (2384, 8832), (2944, 7152), (3072, 6854), (3427, 6144), (3576, 5888), (4416, 4768)]