21899122

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25643}}^1$

素因数の和:25713

約数の個数: 16

約数和(自身を含む): 38158272

約数和(自身を除く): 16259150

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 25643, 51286, 179501, 359002, 1564223, 3128446, 10949561, 21899122]

約数ペア:

[(1, 21899122), (2, 10949561), (7, 3128446), (14, 1564223), (61, 359002), (122, 179501), (427, 51286), (854, 25643)]