21111916

素因数分解:

$2^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1499}}^1$

素因数の和:2013

約数の個数: 24

約数和(自身を含む): 42336000

約数和(自身を除く): 21224084

約数列:

[1, 2, 4, 7, 14, 28, 503, 1006, 1499, 2012, 2998, 3521, 5996, 7042, 10493, 14084, 20986, 41972, 753997, 1507994, 3015988, 5277979, 10555958, 21111916]

約数ペア:

[(1, 21111916), (2, 10555958), (4, 5277979), (7, 3015988), (14, 1507994), (28, 753997), (503, 41972), (1006, 20986), (1499, 14084), (2012, 10493), (2998, 7042), (3521, 5996)]