21554834

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19489}}^1$

素因数の和:19577

約数の個数: 16

約数和(自身を含む): 37420800

約数和(自身を除く): 15865966

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 19489, 38978, 136423, 272846, 1539631, 3079262, 10777417, 21554834]

約数ペア:

[(1, 21554834), (2, 10777417), (7, 3079262), (14, 1539631), (79, 272846), (158, 136423), (553, 38978), (1106, 19489)]