21149742

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{153259}}^1$

素因数の和:153287

約数の個数: 16

約数和(自身を含む): 44138880

約数和(自身を除く): 22989138

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 153259, 306518, 459777, 919554, 3524957, 7049914, 10574871, 21149742]

約数ペア:

[(1, 21149742), (2, 10574871), (3, 7049914), (6, 3524957), (23, 919554), (46, 459777), (69, 306518), (138, 153259)]