21091703808

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{980827}}^1$

素因数の和:980857

約数の個数: 88

約数和(自身を含む): 64248157312

約数和(自身を除く): 43156453504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1024, 1344, 1536, 1792, 2688, 3072, 3584, 5376, 7168, 10752, 21504, 980827, 1961654, 2942481, 3923308, 5884962, 6865789, 7846616, 11769924, 13731578, 15693232, 20597367, 23539848, 27463156, 31386464, 41194734, 47079696, 54926312, 62772928, 82389468, 94159392, 109852624, 125545856, 164778936, 188318784, 219705248, 251091712, 329557872, 376637568, 439410496, 502183424, 659115744, 753275136, 878820992, 1004366848, 1318231488, 1506550272, 1757641984, 2636462976, 3013100544, 3515283968, 5272925952, 7030567936, 10545851904, 21091703808]

約数ペア:

[(1, 21091703808), (2, 10545851904), (3, 7030567936), (4, 5272925952), (6, 3515283968), (7, 3013100544), (8, 2636462976), (12, 1757641984), (14, 1506550272), (16, 1318231488), (21, 1004366848), (24, 878820992), (28, 753275136), (32, 659115744), (42, 502183424), (48, 439410496), (56, 376637568), (64, 329557872), (84, 251091712), (96, 219705248), (112, 188318784), (128, 164778936), (168, 125545856), (192, 109852624), (224, 94159392), (256, 82389468), (336, 62772928), (384, 54926312), (448, 47079696), (512, 41194734), (672, 31386464), (768, 27463156), (896, 23539848), (1024, 20597367), (1344, 15693232), (1536, 13731578), (1792, 11769924), (2688, 7846616), (3072, 6865789), (3584, 5884962), (5376, 3923308), (7168, 2942481), (10752, 1961654), (21504, 980827)]