8921.0000000

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 17853696

約数和(自身を除く): 9197418

約数列:

[1, 2, 3, 6, 53, 106, 159, 163, 167, 318, 326, 334, 489, 501, 978, 1002, 8639, 8851, 17278, 17702, 25917, 26553, 27221, 51834, 53106, 54442, 81663, 163326, 1442713, 2885426, 4328139, 8656278]

約数ペア:

[(1, 8656278), (2, 4328139), (3, 2885426), (6, 1442713), (53, 163326), (106, 81663), (159, 54442), (163, 53106), (167, 51834), (318, 27221), (326, 26553), (334, 25917), (489, 17702), (501, 17278), (978, 8851), (1002, 8639)]