21981712

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{29231}}^1$

素因数の和:29286

約数の個数: 20

約数和(自身を含む): 43497216

約数和(自身を除く): 21515504

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 29231, 58462, 116924, 233848, 467696, 1373857, 2747714, 5495428, 10990856, 21981712]

約数ペア:

[(1, 21981712), (2, 10990856), (4, 5495428), (8, 2747714), (16, 1373857), (47, 467696), (94, 233848), (188, 116924), (376, 58462), (752, 29231)]