21739682

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{563}}^1$

素因数の和:1057

約数の個数: 16

約数和(自身を含む): 33501600

約数和(自身を除く): 11761918

約数列:

[1, 2, 43, 86, 449, 563, 898, 1126, 19307, 24209, 38614, 48418, 252787, 505574, 10869841, 21739682]

約数ペア:

[(1, 21739682), (2, 10869841), (43, 505574), (86, 252787), (449, 48418), (563, 38614), (898, 24209), (1126, 19307)]