21031432445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{16333}}^1\times {\mathrm{15149}}^1$

素因数の和:31504

約数の個数: 16

約数和(自身を含む): 26725690800

約数和(自身を除く): 5694258355

約数列:

[1, 5, 17, 85, 15149, 16333, 75745, 81665, 257533, 277661, 1287665, 1388305, 247428617, 1237143085, 4206286489, 21031432445]

約数ペア:

[(1, 21031432445), (5, 4206286489), (17, 1237143085), (85, 247428617), (15149, 1388305), (16333, 1287665), (75745, 277661), (81665, 257533)]