21078093

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1068

約数の個数: 16

約数和(自身を含む): 28783040

約数和(自身を除く): 7704947

約数列:

[1, 3, 73, 109, 219, 327, 883, 2649, 7957, 23871, 64459, 96247, 193377, 288741, 7026031, 21078093]

約数ペア:

[(1, 21078093), (3, 7026031), (73, 288741), (109, 193377), (219, 96247), (327, 64459), (883, 23871), (2649, 7957)]