21440710

素因数分解:

$2^1\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{2017}}^1$

素因数の和:3087

約数の個数: 16

約数和(自身を含む): 38648736

約数和(自身を除く): 17208026

約数列:

[1, 2, 5, 10, 1063, 2017, 2126, 4034, 5315, 10085, 10630, 20170, 2144071, 4288142, 10720355, 21440710]

約数ペア:

[(1, 21440710), (2, 10720355), (5, 4288142), (10, 2144071), (1063, 20170), (2017, 10630), (2126, 10085), (4034, 5315)]