21988496

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{47389}}^1$

素因数の和:47426

約数の個数: 20

約数和(自身を含む): 44072700

約数和(自身を除く): 22084204

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 47389, 94778, 189556, 379112, 758224, 1374281, 2748562, 5497124, 10994248, 21988496]

約数ペア:

[(1, 21988496), (2, 10994248), (4, 5497124), (8, 2748562), (16, 1374281), (29, 758224), (58, 379112), (116, 189556), (232, 94778), (464, 47389)]