21561744

素因数分解:

$2^4\times 3^1\times {\mathrm{449203}}^1$

素因数の和:449214

約数の個数: 20

約数和(自身を含む): 55701296

約数和(自身を除く): 34139552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 449203, 898406, 1347609, 1796812, 2695218, 3593624, 5390436, 7187248, 10780872, 21561744]

約数ペア:

[(1, 21561744), (2, 10780872), (3, 7187248), (4, 5390436), (6, 3593624), (8, 2695218), (12, 1796812), (16, 1347609), (24, 898406), (48, 449203)]