21384568

素因数分解:

$2^3\times {\mathrm{439}}^1\times {\mathrm{6089}}^1$

素因数の和:6534

約数の個数: 16

約数和(自身を含む): 40194000

約数和(自身を除く): 18809432

約数列:

[1, 2, 4, 8, 439, 878, 1756, 3512, 6089, 12178, 24356, 48712, 2673071, 5346142, 10692284, 21384568]

約数ペア:

[(1, 21384568), (2, 10692284), (4, 5346142), (8, 2673071), (439, 48712), (878, 24356), (1756, 12178), (3512, 6089)]