21140853

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2207}}^1$

素因数の和:2344

約数の個数: 16

約数和(自身を含む): 29392896

約数和(自身を除く): 8252043

約数列:

[1, 3, 31, 93, 103, 309, 2207, 3193, 6621, 9579, 68417, 205251, 227321, 681963, 7046951, 21140853]

約数ペア:

[(1, 21140853), (3, 7046951), (31, 681963), (93, 227321), (103, 205251), (309, 68417), (2207, 9579), (3193, 6621)]