21001082

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{1051}}^1$

素因数の和:1253

約数の個数: 16

約数和(自身を含む): 32165952

約数和(自身を除く): 11164870

約数列:

[1, 2, 97, 103, 194, 206, 1051, 2102, 9991, 19982, 101947, 108253, 203894, 216506, 10500541, 21001082]

約数ペア:

[(1, 21001082), (2, 10500541), (97, 216506), (103, 203894), (194, 108253), (206, 101947), (1051, 19982), (2102, 9991)]