21004284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{250051}}^1$

素因数の和:250065

約数の個数: 24

約数和(自身を含む): 56011648

約数和(自身を除く): 35007364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 250051, 500102, 750153, 1000204, 1500306, 1750357, 3000612, 3500714, 5251071, 7001428, 10502142, 21004284]

約数ペア:

[(1, 21004284), (2, 10502142), (3, 7001428), (4, 5251071), (6, 3500714), (7, 3000612), (12, 1750357), (14, 1500306), (21, 1000204), (28, 750153), (42, 500102), (84, 250051)]