21003814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{9733}}^1$

素因数の和:9831

約数の個数: 16

約数和(自身を含む): 34341552

約数和(自身を除く): 13337738

約数列:

[1, 2, 13, 26, 83, 166, 1079, 2158, 9733, 19466, 126529, 253058, 807839, 1615678, 10501907, 21003814]

約数ペア:

[(1, 21003814), (2, 10501907), (13, 1615678), (26, 807839), (83, 253058), (166, 126529), (1079, 19466), (2158, 9733)]