210004704020

素因数分解:

$2^2\times 5^1\times {\mathrm{10500235201}}^1$

素因数の和:10500235210

約数の個数: 12

約数和(自身を含む): 441009878484

約数和(自身を除く): 231005174464

約数列:

[1, 2, 4, 5, 10, 20, 10500235201, 21000470402, 42000940804, 52501176005, 105002352010, 210004704020]

約数ペア:

[(1, 210004704020), (2, 105002352010), (4, 52501176005), (5, 42000940804), (10, 21000470402), (20, 10500235201)]