21232128

素因数分解:

$2^9\times 3^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1$

素因数の和:645

約数の個数: 80

約数和(自身を含む): 59121216

約数和(自身を除く): 37889088

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, 601, 736, 768, 1104, 1202, 1472, 1536, 1803, 2208, 2404, 2944, 3606, 4416, 4808, 5888, 7212, 8832, 9616, 11776, 13823, 14424, 17664, 19232, 27646, 28848, 35328, 38464, 41469, 55292, 57696, 76928, 82938, 110584, 115392, 153856, 165876, 221168, 230784, 307712, 331752, 442336, 461568, 663504, 884672, 923136, 1327008, 1769344, 2654016, 3538688, 5308032, 7077376, 10616064, 21232128]

約数ペア:

[(1, 21232128), (2, 10616064), (3, 7077376), (4, 5308032), (6, 3538688), (8, 2654016), (12, 1769344), (16, 1327008), (23, 923136), (24, 884672), (32, 663504), (46, 461568), (48, 442336), (64, 331752), (69, 307712), (92, 230784), (96, 221168), (128, 165876), (138, 153856), (184, 115392), (192, 110584), (256, 82938), (276, 76928), (368, 57696), (384, 55292), (512, 41469), (552, 38464), (601, 35328), (736, 28848), (768, 27646), (1104, 19232), (1202, 17664), (1472, 14424), (1536, 13823), (1803, 11776), (2208, 9616), (2404, 8832), (2944, 7212), (3606, 5888), (4416, 4808)]