21309744

素因数分解:

$2^4\times 3^1\times {\mathrm{443953}}^1$

素因数の和:443964

約数の個数: 20

約数和(自身を含む): 55050296

約数和(自身を除く): 33740552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443953, 887906, 1331859, 1775812, 2663718, 3551624, 5327436, 7103248, 10654872, 21309744]

約数ペア:

[(1, 21309744), (2, 10654872), (3, 7103248), (4, 5327436), (6, 3551624), (8, 2663718), (12, 1775812), (16, 1331859), (24, 887906), (48, 443953)]