21004906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1619}}^1$

素因数の和:2133

約数の個数: 16

約数和(自身を含む): 34020000

約数和(自身を除く): 13015094

約数列:

[1, 2, 13, 26, 499, 998, 1619, 3238, 6487, 12974, 21047, 42094, 807881, 1615762, 10502453, 21004906]

約数ペア:

[(1, 21004906), (2, 10502453), (13, 1615762), (26, 807881), (499, 42094), (998, 21047), (1619, 12974), (3238, 6487)]