21686352

素因数分解:

$2^4\times 3^1\times {\mathrm{451799}}^1$

素因数の和:451810

約数の個数: 20

約数和(自身を含む): 56023200

約数和(自身を除く): 34336848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 451799, 903598, 1355397, 1807196, 2710794, 3614392, 5421588, 7228784, 10843176, 21686352]

約数ペア:

[(1, 21686352), (2, 10843176), (3, 7228784), (4, 5421588), (6, 3614392), (8, 2710794), (12, 1807196), (16, 1355397), (24, 903598), (48, 451799)]