21608368

素因数分解:

$2^4\times {\mathrm{907}}^1\times {\mathrm{1489}}^1$

素因数の和:2404

約数の個数: 20

約数和(自身を含む): 41940520

約数和(自身を除く): 20332152

約数列:

[1, 2, 4, 8, 16, 907, 1489, 1814, 2978, 3628, 5956, 7256, 11912, 14512, 23824, 1350523, 2701046, 5402092, 10804184, 21608368]

約数ペア:

[(1, 21608368), (2, 10804184), (4, 5402092), (8, 2701046), (16, 1350523), (907, 23824), (1489, 14512), (1814, 11912), (2978, 7256), (3628, 5956)]