21162368

素因数分解:

$2^7\times {\mathrm{165331}}^1$

素因数の和:165345

約数の個数: 16

約数和(自身を含む): 42159660

約数和(自身を除く): 20997292

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 165331, 330662, 661324, 1322648, 2645296, 5290592, 10581184, 21162368]

約数ペア:

[(1, 21162368), (2, 10581184), (4, 5290592), (8, 2645296), (16, 1322648), (32, 661324), (64, 330662), (128, 165331)]