21181126

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:783

約数の個数: 16

約数和(自身を含む): 32292000

約数和(自身を除く): 11110874

約数列:

[1, 2, 103, 206, 229, 449, 458, 898, 23587, 46247, 47174, 92494, 102821, 205642, 10590563, 21181126]

約数ペア:

[(1, 21181126), (2, 10590563), (103, 205642), (206, 102821), (229, 92494), (449, 47174), (458, 46247), (898, 23587)]