21696578

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1\times {\mathrm{653}}^1$

素因数の和:1141

約数の個数: 16

約数和(自身を含む): 33550200

約数和(自身を除く): 11853622

約数列:

[1, 2, 37, 74, 449, 653, 898, 1306, 16613, 24161, 33226, 48322, 293197, 586394, 10848289, 21696578]

約数ペア:

[(1, 21696578), (2, 10848289), (37, 586394), (74, 293197), (449, 48322), (653, 33226), (898, 24161), (1306, 16613)]