21473431

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4877}}^1$

素因数の和:4938

約数の個数: 16

約数和(自身を含む): 26692416

約数和(自身を除く): 5218985

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 4877, 34139, 82909, 180449, 580363, 1263143, 3067633, 21473431]

約数ペア:

[(1, 21473431), (7, 3067633), (17, 1263143), (37, 580363), (119, 180449), (259, 82909), (629, 34139), (4403, 4877)]