21508701242

素因数分解:

$2^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{5841581}}^1$

素因数の和:5841853

約数の個数: 16

約数和(自身を含む): 37012263552

約数和(自身を除く): 15503562310

約数列:

[1, 2, 7, 14, 263, 526, 1841, 3682, 5841581, 11683162, 40891067, 81782134, 1536335803, 3072671606, 10754350621, 21508701242]

約数ペア:

[(1, 21508701242), (2, 10754350621), (7, 3072671606), (14, 1536335803), (263, 81782134), (526, 40891067), (1841, 11683162), (3682, 5841581)]