21427695

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5737}}^1$

素因数の和:5831

約数の個数: 24

約数和(自身を含む): 37595376

約数和(自身を除く): 16167681

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5737, 17211, 28685, 51633, 86055, 258165, 476171, 1428513, 2380855, 4285539, 7142565, 21427695]

約数ペア:

[(1, 21427695), (3, 7142565), (5, 4285539), (9, 2380855), (15, 1428513), (45, 476171), (83, 258165), (249, 86055), (415, 51633), (747, 28685), (1245, 17211), (3735, 5737)]