21141276208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101640751}}^1$

素因数の和:101640772

約数の個数: 20

約数和(自身を含む): 44112086368

約数和(自身を除く): 22970810160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 101640751, 203281502, 406563004, 813126008, 1321329763, 1626252016, 2642659526, 5285319052, 10570638104, 21141276208]

約数ペア:

[(1, 21141276208), (2, 10570638104), (4, 5285319052), (8, 2642659526), (13, 1626252016), (16, 1321329763), (26, 813126008), (52, 406563004), (104, 203281502), (208, 101640751)]