21467211

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{739}}^1$

素因数の和:1186

約数の個数: 16

約数和(自身を含む): 29978880

約数和(自身を除く): 8511669

約数列:

[1, 3, 23, 69, 421, 739, 1263, 2217, 9683, 16997, 29049, 50991, 311119, 933357, 7155737, 21467211]

約数ペア:

[(1, 21467211), (3, 7155737), (23, 933357), (69, 311119), (421, 50991), (739, 29049), (1263, 16997), (2217, 9683)]