21378062

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:923

約数の個数: 16

約数和(自身を含む): 32633952

約数和(自身を除く): 11255890

約数列:

[1, 2, 103, 157, 206, 314, 661, 1322, 16171, 32342, 68083, 103777, 136166, 207554, 10689031, 21378062]

約数ペア:

[(1, 21378062), (2, 10689031), (103, 207554), (157, 136166), (206, 103777), (314, 68083), (661, 32342), (1322, 16171)]