21130100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{9187}}^1$

素因数の和:9224

約数の個数: 36

約数和(自身を含む): 47851104

約数和(自身を除く): 26721004

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 9187, 18374, 36748, 45935, 91870, 183740, 211301, 229675, 422602, 459350, 845204, 918700, 1056505, 2113010, 4226020, 5282525, 10565050, 21130100]

約数ペア:

[(1, 21130100), (2, 10565050), (4, 5282525), (5, 4226020), (10, 2113010), (20, 1056505), (23, 918700), (25, 845204), (46, 459350), (50, 422602), (92, 229675), (100, 211301), (115, 183740), (230, 91870), (460, 45935), (575, 36748), (1150, 18374), (2300, 9187)]