21797376

素因数分解:

$2^9\times 3^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:661

約数の個数: 80

約数和(自身を含む): 60692544

約数和(自身を除く): 38895168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 512, 552, 617, 736, 768, 1104, 1234, 1472, 1536, 1851, 2208, 2468, 2944, 3702, 4416, 4936, 5888, 7404, 8832, 9872, 11776, 14191, 14808, 17664, 19744, 28382, 29616, 35328, 39488, 42573, 56764, 59232, 78976, 85146, 113528, 118464, 157952, 170292, 227056, 236928, 315904, 340584, 454112, 473856, 681168, 908224, 947712, 1362336, 1816448, 2724672, 3632896, 5449344, 7265792, 10898688, 21797376]

約数ペア:

[(1, 21797376), (2, 10898688), (3, 7265792), (4, 5449344), (6, 3632896), (8, 2724672), (12, 1816448), (16, 1362336), (23, 947712), (24, 908224), (32, 681168), (46, 473856), (48, 454112), (64, 340584), (69, 315904), (92, 236928), (96, 227056), (128, 170292), (138, 157952), (184, 118464), (192, 113528), (256, 85146), (276, 78976), (368, 59232), (384, 56764), (512, 42573), (552, 39488), (617, 35328), (736, 29616), (768, 28382), (1104, 19744), (1234, 17664), (1472, 14808), (1536, 14191), (1851, 11776), (2208, 9872), (2468, 8832), (2944, 7404), (3702, 5888), (4416, 4936)]