21508701221

素因数分解:

$7^1\times {\mathrm{311}}^1\times {\mathrm{593}}^1\times {\mathrm{16661}}^1$

素因数の和:17572

約数の個数: 16

約数和(自身を含む): 24703481088

約数和(自身を除く): 3194779867

約数列:

[1, 7, 311, 593, 2177, 4151, 16661, 116627, 184423, 1290961, 5181571, 9879973, 36270997, 69159811, 3072671603, 21508701221]

約数ペア:

[(1, 21508701221), (7, 3072671603), (311, 69159811), (593, 36270997), (2177, 9879973), (4151, 5181571), (16661, 1290961), (116627, 184423)]