16821710

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{12841}}^1$

素因数の和:12979

約数の個数: 16

約数和(自身を含む): 30512592

約数和(自身を除く): 13690882

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 12841, 25682, 64205, 128410, 1682171, 3364342, 8410855, 16821710]

約数ペア:

[(1, 16821710), (2, 8410855), (5, 3364342), (10, 1682171), (131, 128410), (262, 64205), (655, 25682), (1310, 12841)]