21872494

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67927}}^1$

素因数の和:67959

約数の個数: 16

約数和(自身を含む): 39126528

約数和(自身を除く): 17254034

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 67927, 135854, 475489, 950978, 1562321, 3124642, 10936247, 21872494]

約数ペア:

[(1, 21872494), (2, 10936247), (7, 3124642), (14, 1562321), (23, 950978), (46, 475489), (161, 135854), (322, 67927)]