21437794

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9511}}^1$

素因数の和:9550

約数の個数: 24

約数和(自身を含む): 39037248

約数和(自身を除く): 17599454

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 9511, 19022, 66577, 133154, 218753, 437506, 466039, 932078, 1531271, 3062542, 10718897, 21437794]

約数ペア:

[(1, 21437794), (2, 10718897), (7, 3062542), (14, 1531271), (23, 932078), (46, 466039), (49, 437506), (98, 218753), (161, 133154), (322, 66577), (1127, 19022), (2254, 9511)]