21290147306

素因数分解:

$2^1\times {\mathrm{1153}}^1\times {\mathrm{2011}}^1\times {\mathrm{4591}}^1$

素因数の和:7757

約数の個数: 16

約数和(自身を含む): 31985778048

約数和(自身を除く): 10695630742

約数列:

[1, 2, 1153, 2011, 2306, 4022, 4591, 9182, 2318683, 4637366, 5293423, 9232501, 10586846, 18465002, 10645073653, 21290147306]

約数ペア:

[(1, 21290147306), (2, 10645073653), (1153, 18465002), (2011, 10586846), (2306, 9232501), (4022, 5293423), (4591, 4637366), (9182, 2318683)]