21058298

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1709}}^1$

素因数の和:1873

約数の個数: 16

約数和(自身を含む): 32442120

約数和(自身を除く): 11383822

約数列:

[1, 2, 61, 101, 122, 202, 1709, 3418, 6161, 12322, 104249, 172609, 208498, 345218, 10529149, 21058298]

約数ペア:

[(1, 21058298), (2, 10529149), (61, 345218), (101, 208498), (122, 172609), (202, 104249), (1709, 12322), (3418, 6161)]