21687526

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{10259}}^1$

素因数の和:10419

約数の個数: 16

約数和(自身を含む): 37428480

約数和(自身を除く): 15740954

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 10259, 20518, 71813, 143626, 1549109, 3098218, 10843763, 21687526]

約数ペア:

[(1, 21687526), (2, 10843763), (7, 3098218), (14, 1549109), (151, 143626), (302, 71813), (1057, 20518), (2114, 10259)]