21687888

素因数分解:

$2^4\times 3^1\times {\mathrm{451831}}^1$

素因数の和:451842

約数の個数: 20

約数和(自身を含む): 56027168

約数和(自身を除く): 34339280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 451831, 903662, 1355493, 1807324, 2710986, 3614648, 5421972, 7229296, 10843944, 21687888]

約数ペア:

[(1, 21687888), (2, 10843944), (3, 7229296), (4, 5421972), (6, 3614648), (8, 2710986), (12, 1807324), (16, 1355493), (24, 903662), (48, 451831)]