21174777

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6703}}^1$

素因数の和:6731

約数の個数: 24

約数和(自身を含む): 34163584

約数和(自身を除く): 12988807

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6703, 20109, 60327, 87139, 180981, 261417, 542943, 784251, 1628829, 2352753, 7058259, 21174777]

約数ペア:

[(1, 21174777), (3, 7058259), (9, 2352753), (13, 1628829), (27, 784251), (39, 542943), (81, 261417), (117, 180981), (243, 87139), (351, 60327), (1053, 20109), (3159, 6703)]