21380843

素因数分解:

${\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 23901696

約数和(自身を除く): 2520853

約数列:

[1, 11, 103, 113, 167, 1133, 1243, 1837, 11639, 17201, 18871, 128029, 189211, 207581, 1943713, 21380843]

約数ペア:

[(1, 21380843), (11, 1943713), (103, 207581), (113, 189211), (167, 128029), (1133, 18871), (1243, 17201), (1837, 11639)]