21160052

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{16901}}^1$

素因数の和:17218

約数の個数: 12

約数和(自身を含む): 37150596

約数和(自身を除く): 15990544

約数列:

[1, 2, 4, 313, 626, 1252, 16901, 33802, 67604, 5290013, 10580026, 21160052]

約数ペア:

[(1, 21160052), (2, 10580026), (4, 5290013), (313, 67604), (626, 33802), (1252, 16901)]