21080238

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{12157}}^1$

素因数の和:12196

約数の個数: 24

約数和(自身を含む): 44790072

約数和(自身を除く): 23709834

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 289, 578, 867, 1734, 12157, 24314, 36471, 72942, 206669, 413338, 620007, 1240014, 3513373, 7026746, 10540119, 21080238]

約数ペア:

[(1, 21080238), (2, 10540119), (3, 7026746), (6, 3513373), (17, 1240014), (34, 620007), (51, 413338), (102, 206669), (289, 72942), (578, 36471), (867, 24314), (1734, 12157)]