21180090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{706003}}^1$

素因数の和:706013

約数の個数: 16

約数和(自身を含む): 50832288

約数和(自身を除く): 29652198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 706003, 1412006, 2118009, 3530015, 4236018, 7060030, 10590045, 21180090]

約数ペア:

[(1, 21180090), (2, 10590045), (3, 7060030), (5, 4236018), (6, 3530015), (10, 2118009), (15, 1412006), (30, 706003)]