21213696

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{1973}}^1$

素因数の和:2001

約数の個数: 80

約数和(自身を含む): 64620864

約数和(自身を除く): 43407168

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, 1344, 1536, 1792, 1973, 2688, 3584, 3946, 5376, 5919, 7892, 10752, 11838, 13811, 15784, 23676, 27622, 31568, 41433, 47352, 55244, 63136, 82866, 94704, 110488, 126272, 165732, 189408, 220976, 252544, 331464, 378816, 441952, 505088, 662928, 757632, 883904, 1010176, 1325856, 1515264, 1767808, 2651712, 3030528, 3535616, 5303424, 7071232, 10606848, 21213696]

約数ペア:

[(1, 21213696), (2, 10606848), (3, 7071232), (4, 5303424), (6, 3535616), (7, 3030528), (8, 2651712), (12, 1767808), (14, 1515264), (16, 1325856), (21, 1010176), (24, 883904), (28, 757632), (32, 662928), (42, 505088), (48, 441952), (56, 378816), (64, 331464), (84, 252544), (96, 220976), (112, 189408), (128, 165732), (168, 126272), (192, 110488), (224, 94704), (256, 82866), (336, 63136), (384, 55244), (448, 47352), (512, 41433), (672, 31568), (768, 27622), (896, 23676), (1344, 15784), (1536, 13811), (1792, 11838), (1973, 10752), (2688, 7892), (3584, 5919), (3946, 5376)]