21044881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{401}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 24853248

約数和(自身を除く): 3808367

約数列:

[1, 11, 13, 143, 367, 401, 4037, 4411, 4771, 5213, 52481, 57343, 147167, 1618837, 1913171, 21044881]

約数ペア:

[(1, 21044881), (11, 1913171), (13, 1618837), (143, 147167), (367, 57343), (401, 52481), (4037, 5213), (4411, 4771)]