201921916

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{21787}}^1$

素因数の和:22129

約数の個数: 24

約数和(自身を含む): 405082496

約数和(自身を除く): 203160580

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2317, 4634, 9268, 21787, 43574, 87148, 152509, 305018, 610036, 7211497, 14422994, 28845988, 50480479, 100960958, 201921916]

約数ペア:

[(1, 201921916), (2, 100960958), (4, 50480479), (7, 28845988), (14, 14422994), (28, 7211497), (331, 610036), (662, 305018), (1324, 152509), (2317, 87148), (4634, 43574), (9268, 21787)]