21057650

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{18311}}^1$

素因数の和:18346

約数の個数: 24

約数和(自身を含む): 40872384

約数和(自身を除く): 19814734

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 18311, 36622, 91555, 183110, 421153, 457775, 842306, 915550, 2105765, 4211530, 10528825, 21057650]

約数ペア:

[(1, 21057650), (2, 10528825), (5, 4211530), (10, 2105765), (23, 915550), (25, 842306), (46, 457775), (50, 421153), (115, 183110), (230, 91555), (575, 36622), (1150, 18311)]