21586172

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{3061}}^1$

素因数の和:3149

約数の個数: 24

約数和(自身を含む): 39610032

約数和(自身を除く): 18023860

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 1763, 3061, 3526, 6122, 7052, 12244, 125501, 131623, 251002, 263246, 502004, 526492, 5396543, 10793086, 21586172]

約数ペア:

[(1, 21586172), (2, 10793086), (4, 5396543), (41, 526492), (43, 502004), (82, 263246), (86, 251002), (164, 131623), (172, 125501), (1763, 12244), (3061, 7052), (3526, 6122)]