21116737

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 23794560

約数和(自身を除く): 2677823

約数列:

[1, 17, 23, 53, 391, 901, 1019, 1219, 17323, 20723, 23437, 54007, 398429, 918119, 1242161, 21116737]

約数ペア:

[(1, 21116737), (17, 1242161), (23, 918119), (53, 398429), (391, 54007), (901, 23437), (1019, 20723), (1219, 17323)]