21499803056

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{13045997}}^1$

素因数の和:13046108

約数の個数: 20

約数和(自身を含む): 42060297552

約数和(自身を除く): 20560494496

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 13045997, 26091994, 52183988, 104367976, 208735952, 1343737691, 2687475382, 5374950764, 10749901528, 21499803056]

約数ペア:

[(1, 21499803056), (2, 10749901528), (4, 5374950764), (8, 2687475382), (16, 1343737691), (103, 208735952), (206, 104367976), (412, 52183988), (824, 26091994), (1648, 13045997)]