21981384

素因数分解:

$2^3\times 3^2\times {\mathrm{305297}}^1$

素因数の和:305309

約数の個数: 24

約数和(自身を含む): 59533110

約数和(自身を除く): 37551726

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 305297, 610594, 915891, 1221188, 1831782, 2442376, 2747673, 3663564, 5495346, 7327128, 10990692, 21981384]

約数ペア:

[(1, 21981384), (2, 10990692), (3, 7327128), (4, 5495346), (6, 3663564), (8, 2747673), (9, 2442376), (12, 1831782), (18, 1221188), (24, 915891), (36, 610594), (72, 305297)]