21379834

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1090

約数の個数: 32

約数和(自身を含む): 38854656

約数和(自身を除く): 17474822

約数列:

[1, 2, 7, 14, 23, 46, 67, 134, 161, 322, 469, 938, 991, 1541, 1982, 3082, 6937, 10787, 13874, 21574, 22793, 45586, 66397, 132794, 159551, 319102, 464779, 929558, 1527131, 3054262, 10689917, 21379834]

約数ペア:

[(1, 21379834), (2, 10689917), (7, 3054262), (14, 1527131), (23, 929558), (46, 464779), (67, 319102), (134, 159551), (161, 132794), (322, 66397), (469, 45586), (938, 22793), (991, 21574), (1541, 13874), (1982, 10787), (3082, 6937)]