21965168

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{29209}}^1$

素因数の和:29264

約数の個数: 20

約数和(自身を含む): 43464480

約数和(自身を除く): 21499312

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 29209, 58418, 116836, 233672, 467344, 1372823, 2745646, 5491292, 10982584, 21965168]

約数ペア:

[(1, 21965168), (2, 10982584), (4, 5491292), (8, 2745646), (16, 1372823), (47, 467344), (94, 233672), (188, 116836), (376, 58418), (752, 29209)]