21401856

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{1327}}^1$

素因数の和:1356

約数の個数: 108

約数和(自身を含む): 70575232

約数和(自身を除く): 49173376

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 576, 672, 768, 896, 1008, 1152, 1327, 1344, 1792, 2016, 2304, 2654, 2688, 3981, 4032, 5308, 5376, 7962, 8064, 9289, 10616, 11943, 15924, 16128, 18578, 21232, 23886, 27867, 31848, 37156, 42464, 47772, 55734, 63696, 74312, 83601, 84928, 95544, 111468, 127392, 148624, 167202, 169856, 191088, 222936, 254784, 297248, 334404, 339712, 382176, 445872, 509568, 594496, 668808, 764352, 891744, 1019136, 1188992, 1337616, 1528704, 1783488, 2377984, 2675232, 3057408, 3566976, 5350464, 7133952, 10700928, 21401856]

約数ペア:

[(1, 21401856), (2, 10700928), (3, 7133952), (4, 5350464), (6, 3566976), (7, 3057408), (8, 2675232), (9, 2377984), (12, 1783488), (14, 1528704), (16, 1337616), (18, 1188992), (21, 1019136), (24, 891744), (28, 764352), (32, 668808), (36, 594496), (42, 509568), (48, 445872), (56, 382176), (63, 339712), (64, 334404), (72, 297248), (84, 254784), (96, 222936), (112, 191088), (126, 169856), (128, 167202), (144, 148624), (168, 127392), (192, 111468), (224, 95544), (252, 84928), (256, 83601), (288, 74312), (336, 63696), (384, 55734), (448, 47772), (504, 42464), (576, 37156), (672, 31848), (768, 27867), (896, 23886), (1008, 21232), (1152, 18578), (1327, 16128), (1344, 15924), (1792, 11943), (2016, 10616), (2304, 9289), (2654, 8064), (2688, 7962), (3981, 5376), (4032, 5308)]