21493555195

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13065991}}^1$

素因数の和:13066050

約数の個数: 16

約数和(自身を含む): 30104045568

約数和(自身を除く): 8610490373

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 13065991, 65329955, 91461937, 457309685, 614101577, 3070507885, 4298711039, 21493555195]

約数ペア:

[(1, 21493555195), (5, 4298711039), (7, 3070507885), (35, 614101577), (47, 457309685), (235, 91461937), (329, 65329955), (1645, 13065991)]