21553595

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4133}}^1$

素因数の和:4294

約数の個数: 16

約数和(自身を含む): 29764800

約数和(自身を除く): 8211205

約数列:

[1, 5, 7, 35, 149, 745, 1043, 4133, 5215, 20665, 28931, 144655, 615817, 3079085, 4310719, 21553595]

約数ペア:

[(1, 21553595), (5, 4310719), (7, 3079085), (35, 615817), (149, 144655), (745, 28931), (1043, 20665), (4133, 5215)]