21618267

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2741}}^1$

素因数の和:2994

約数の個数: 16

約数和(自身を含む): 31587840

約数和(自身を除く): 9969573

約数列:

[1, 3, 11, 33, 239, 717, 2629, 2741, 7887, 8223, 30151, 90453, 655099, 1965297, 7206089, 21618267]

約数ペア:

[(1, 21618267), (3, 7206089), (11, 1965297), (33, 655099), (239, 90453), (717, 30151), (2629, 8223), (2741, 7887)]