21567878206

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{90621337}}^1$

素因数の和:90621363

約数の個数: 16

約数和(自身を含む): 39148418016

約数和(自身を除く): 17580539810

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 90621337, 181242674, 634349359, 1268698718, 1540562729, 3081125458, 10783939103, 21567878206]

約数ペア:

[(1, 21567878206), (2, 10783939103), (7, 3081125458), (14, 1540562729), (17, 1268698718), (34, 634349359), (119, 181242674), (238, 90621337)]