821856

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{1223}}^1$

素因数の和:1243

約数の個数: 48

約数和(自身を含む): 2467584

約数和(自身を除く): 1645728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 1223, 2446, 3669, 4892, 7338, 8561, 9784, 14676, 17122, 19568, 25683, 29352, 34244, 39136, 51366, 58704, 68488, 102732, 117408, 136976, 205464, 273952, 410928, 821856]

約数ペア:

[(1, 821856), (2, 410928), (3, 273952), (4, 205464), (6, 136976), (7, 117408), (8, 102732), (12, 68488), (14, 58704), (16, 51366), (21, 39136), (24, 34244), (28, 29352), (32, 25683), (42, 19568), (48, 17122), (56, 14676), (84, 9784), (96, 8561), (112, 7338), (168, 4892), (224, 3669), (336, 2446), (672, 1223)]