21124952

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49823}}^1$

素因数の和:49882

約数の個数: 16

約数和(自身を含む): 40357440

約数和(自身を除く): 19232488

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49823, 99646, 199292, 398584, 2640619, 5281238, 10562476, 21124952]

約数ペア:

[(1, 21124952), (2, 10562476), (4, 5281238), (8, 2640619), (53, 398584), (106, 199292), (212, 99646), (424, 49823)]