21124140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{352069}}^1$

素因数の和:352081

約数の個数: 24

約数和(自身を含む): 59147760

約数和(自身を除く): 38023620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 352069, 704138, 1056207, 1408276, 1760345, 2112414, 3520690, 4224828, 5281035, 7041380, 10562070, 21124140]

約数ペア:

[(1, 21124140), (2, 10562070), (3, 7041380), (4, 5281035), (5, 4224828), (6, 3520690), (10, 2112414), (12, 1760345), (15, 1408276), (20, 1056207), (30, 704138), (60, 352069)]