21285812

素因数分解:

$2^2\times {\mathrm{613}}^1\times {\mathrm{8681}}^1$

素因数の和:9298

約数の個数: 12

約数和(自身を含む): 37315236

約数和(自身を除く): 16029424

約数列:

[1, 2, 4, 613, 1226, 2452, 8681, 17362, 34724, 5321453, 10642906, 21285812]

約数ペア:

[(1, 21285812), (2, 10642906), (4, 5321453), (613, 34724), (1226, 17362), (2452, 8681)]