21738427

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1049}}^1$

素因数の和:1142

約数の個数: 16

約数和(自身を含む): 24494400

約数和(自身を除く): 2755973

約数列:

[1, 17, 23, 53, 391, 901, 1049, 1219, 17833, 20723, 24127, 55597, 410159, 945149, 1278731, 21738427]

約数ペア:

[(1, 21738427), (17, 1278731), (23, 945149), (53, 410159), (391, 55597), (901, 24127), (1049, 20723), (1219, 17833)]