21872667

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{769}}^1$

素因数の和:1290

約数の個数: 16

約数和(自身を含む): 30800000

約数和(自身を除く): 8927333

約数列:

[1, 3, 19, 57, 499, 769, 1497, 2307, 9481, 14611, 28443, 43833, 383731, 1151193, 7290889, 21872667]

約数ペア:

[(1, 21872667), (3, 7290889), (19, 1151193), (57, 383731), (499, 43833), (769, 28443), (1497, 14611), (2307, 9481)]