21802216

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{26459}}^1$

素因数の和:26568

約数の個数: 16

約数和(自身を含む): 41277600

約数和(自身を除く): 19475384

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 26459, 52918, 105836, 211672, 2725277, 5450554, 10901108, 21802216]

約数ペア:

[(1, 21802216), (2, 10901108), (4, 5450554), (8, 2725277), (103, 211672), (206, 105836), (412, 52918), (824, 26459)]