21078166

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{6277}}^1$

素因数の和:6375

約数の個数: 16

約数和(自身を含む): 33449184

約数和(自身を除く): 12371018

約数列:

[1, 2, 23, 46, 73, 146, 1679, 3358, 6277, 12554, 144371, 288742, 458221, 916442, 10539083, 21078166]

約数ペア:

[(1, 21078166), (2, 10539083), (23, 916442), (46, 458221), (73, 288742), (146, 144371), (1679, 12554), (3358, 6277)]