21086544

素因数分解:

$2^4\times 3^1\times {\mathrm{439303}}^1$

素因数の和:439314

約数の個数: 20

約数和(自身を含む): 54473696

約数和(自身を除く): 33387152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 439303, 878606, 1317909, 1757212, 2635818, 3514424, 5271636, 7028848, 10543272, 21086544]

約数ペア:

[(1, 21086544), (2, 10543272), (3, 7028848), (4, 5271636), (6, 3514424), (8, 2635818), (12, 1757212), (16, 1317909), (24, 878606), (48, 439303)]