21836223

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3907}}^1$

素因数の和:3945

約数の個数: 24

約数和(自身を含む): 34140288

約数和(自身を除く): 12304065

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3907, 5589, 11721, 35163, 89861, 105489, 269583, 316467, 808749, 949401, 2426247, 7278741, 21836223]

約数ペア:

[(1, 21836223), (3, 7278741), (9, 2426247), (23, 949401), (27, 808749), (69, 316467), (81, 269583), (207, 105489), (243, 89861), (621, 35163), (1863, 11721), (3907, 5589)]