21508242

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{512101}}^1$

素因数の和:512113

約数の個数: 16

約数和(自身を含む): 49161792

約数和(自身を除く): 27653550

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 512101, 1024202, 1536303, 3072606, 3584707, 7169414, 10754121, 21508242]

約数ペア:

[(1, 21508242), (2, 10754121), (3, 7169414), (6, 3584707), (7, 3072606), (14, 1536303), (21, 1024202), (42, 512101)]