21126942

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{4567}}^1$

素因数の和:4832

約数の個数: 24

約数和(自身を含む): 45963216

約数和(自身を除く): 24836274

約数列:

[1, 2, 3, 6, 9, 18, 257, 514, 771, 1542, 2313, 4567, 4626, 9134, 13701, 27402, 41103, 82206, 1173719, 2347438, 3521157, 7042314, 10563471, 21126942]

約数ペア:

[(1, 21126942), (2, 10563471), (3, 7042314), (6, 3521157), (9, 2347438), (18, 1173719), (257, 82206), (514, 41103), (771, 27402), (1542, 13701), (2313, 9134), (4567, 4626)]