21980912

素因数分解:

$2^4\times {\mathrm{43}}^2\times {\mathrm{743}}^1$

素因数の和:837

約数の個数: 30

約数和(自身を含む): 43660152

約数和(自身を除く): 21679240

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 743, 1486, 1849, 2972, 3698, 5944, 7396, 11888, 14792, 29584, 31949, 63898, 127796, 255592, 511184, 1373807, 2747614, 5495228, 10990456, 21980912]

約数ペア:

[(1, 21980912), (2, 10990456), (4, 5495228), (8, 2747614), (16, 1373807), (43, 511184), (86, 255592), (172, 127796), (344, 63898), (688, 31949), (743, 29584), (1486, 14792), (1849, 11888), (2972, 7396), (3698, 5944)]