21857469

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{2141}}^1$

素因数の和:2268

約数の個数: 16

約数和(自身を含む): 30227904

約数和(自身を除く): 8370435

約数列:

[1, 3, 41, 83, 123, 249, 2141, 3403, 6423, 10209, 87781, 177703, 263343, 533109, 7285823, 21857469]

約数ペア:

[(1, 21857469), (3, 7285823), (41, 533109), (83, 263343), (123, 177703), (249, 87781), (2141, 10209), (3403, 6423)]