21585963

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{3793}}^1$

素因数の和:4074

約数の個数: 16

約数和(自身を含む): 33022976

約数和(自身を除く): 11437013

約数列:

[1, 3, 7, 21, 271, 813, 1897, 3793, 5691, 11379, 26551, 79653, 1027903, 3083709, 7195321, 21585963]

約数ペア:

[(1, 21585963), (3, 7195321), (7, 3083709), (21, 1027903), (271, 79653), (813, 26551), (1897, 11379), (3793, 5691)]