21145484

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2087}}^1$

素因数の和:2257

約数の個数: 24

約数和(自身を含む): 39463200

約数和(自身を除く): 18317716

約数列:

[1, 2, 4, 17, 34, 68, 149, 298, 596, 2087, 2533, 4174, 5066, 8348, 10132, 35479, 70958, 141916, 310963, 621926, 1243852, 5286371, 10572742, 21145484]

約数ペア:

[(1, 21145484), (2, 10572742), (4, 5286371), (17, 1243852), (34, 621926), (68, 310963), (149, 141916), (298, 70958), (596, 35479), (2087, 10132), (2533, 8348), (4174, 5066)]