21886886

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 16723546

約数列:

[1, 2, 7, 14, 71, 97, 142, 194, 227, 454, 497, 679, 994, 1358, 1589, 3178, 6887, 13774, 16117, 22019, 32234, 44038, 48209, 96418, 112819, 154133, 225638, 308266, 1563349, 3126698, 10943443, 21886886]

約数ペア:

[(1, 21886886), (2, 10943443), (7, 3126698), (14, 1563349), (71, 308266), (97, 225638), (142, 154133), (194, 112819), (227, 96418), (454, 48209), (497, 44038), (679, 32234), (994, 22019), (1358, 16117), (1589, 13774), (3178, 6887)]