2100085136

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{257869}}^1$

素因数の和:258386

約数の個数: 20

約数和(自身を含む): 4076924700

約数和(自身を除く): 1976839564

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 257869, 515738, 1031476, 2062952, 4125904, 131255321, 262510642, 525021284, 1050042568, 2100085136]

約数ペア:

[(1, 2100085136), (2, 1050042568), (4, 525021284), (8, 262510642), (16, 131255321), (509, 4125904), (1018, 2062952), (2036, 1031476), (4072, 515738), (8144, 257869)]