21841592

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{63493}}^1$

素因数の和:63542

約数の個数: 16

約数和(自身を含む): 41906040

約数和(自身を除く): 20064448

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 63493, 126986, 253972, 507944, 2730199, 5460398, 10920796, 21841592]

約数ペア:

[(1, 21841592), (2, 10920796), (4, 5460398), (8, 2730199), (43, 507944), (86, 253972), (172, 126986), (344, 63493)]