21286473074

素因数分解:

$2^1\times {\mathrm{401}}^1\times {\mathrm{449}}^1\times {\mathrm{59113}}^1$

素因数の和:59965

約数の個数: 16

約数和(自身を含む): 32081167800

約数和(自身を除く): 10794694726

約数列:

[1, 2, 401, 449, 802, 898, 59113, 118226, 180049, 360098, 23704313, 26541737, 47408626, 53083474, 10643236537, 21286473074]

約数ペア:

[(1, 21286473074), (2, 10643236537), (401, 53083474), (449, 47408626), (802, 26541737), (898, 23704313), (59113, 360098), (118226, 180049)]