21694965

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30773}}^1$

素因数の和:30828

約数の個数: 16

約数和(自身を含む): 35451648

約数和(自身を除く): 13756683

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 30773, 92319, 153865, 461595, 1446331, 4338993, 7231655, 21694965]

約数ペア:

[(1, 21694965), (3, 7231655), (5, 4338993), (15, 1446331), (47, 461595), (141, 153865), (235, 92319), (705, 30773)]