21420518097

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{4134437}}^1$

素因数の和:4134608

約数の個数: 16

約数和(自身を含む): 31355577792

約数和(自身を除く): 9935059695

約数列:

[1, 3, 11, 33, 157, 471, 1727, 5181, 4134437, 12403311, 45478807, 136436421, 649106609, 1947319827, 7140172699, 21420518097]

約数ペア:

[(1, 21420518097), (3, 7140172699), (11, 1947319827), (33, 649106609), (157, 136436421), (471, 45478807), (1727, 12403311), (5181, 4134437)]