21088365

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{48479}}^1$

素因数の和:48516

約数の個数: 16

約数和(自身を含む): 34905600

約数和(自身を除く): 13817235

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 48479, 145437, 242395, 727185, 1405891, 4217673, 7029455, 21088365]

約数ペア:

[(1, 21088365), (3, 7029455), (5, 4217673), (15, 1405891), (29, 727185), (87, 242395), (145, 145437), (435, 48479)]