21296562

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1973}}^1$

素因数の和:2242

約数の個数: 32

約数和(自身を含む): 48892032

約数和(自身を除く): 27595470

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1542, 1799, 1973, 3598, 3946, 5397, 5919, 10794, 11838, 13811, 27622, 41433, 82866, 507061, 1014122, 1521183, 3042366, 3549427, 7098854, 10648281, 21296562]

約数ペア:

[(1, 21296562), (2, 10648281), (3, 7098854), (6, 3549427), (7, 3042366), (14, 1521183), (21, 1014122), (42, 507061), (257, 82866), (514, 41433), (771, 27622), (1542, 13811), (1799, 11838), (1973, 10794), (3598, 5919), (3946, 5397)]