21449744

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{2053}}^1$

素因数の和:2714

約数の個数: 20

約数和(自身を含む): 41642796

約数和(自身を除く): 20193052

約数列:

[1, 2, 4, 8, 16, 653, 1306, 2053, 2612, 4106, 5224, 8212, 10448, 16424, 32848, 1340609, 2681218, 5362436, 10724872, 21449744]

約数ペア:

[(1, 21449744), (2, 10724872), (4, 5362436), (8, 2681218), (16, 1340609), (653, 32848), (1306, 16424), (2053, 10448), (2612, 8212), (4106, 5224)]