21217316

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1093}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 38963904

約数和(自身を除く): 17746588

約数列:

[1, 2, 4, 23, 46, 92, 211, 422, 844, 1093, 2186, 4372, 4853, 9706, 19412, 25139, 50278, 100556, 230623, 461246, 922492, 5304329, 10608658, 21217316]

約数ペア:

[(1, 21217316), (2, 10608658), (4, 5304329), (23, 922492), (46, 461246), (92, 230623), (211, 100556), (422, 50278), (844, 25139), (1093, 19412), (2186, 9706), (4372, 4853)]