21382341

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{719}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 29859840

約数和(自身を除く): 8477499

約数列:

[1, 3, 23, 69, 431, 719, 1293, 2157, 9913, 16537, 29739, 49611, 309889, 929667, 7127447, 21382341]

約数ペア:

[(1, 21382341), (3, 7127447), (23, 929667), (69, 309889), (431, 49611), (719, 29739), (1293, 16537), (2157, 9913)]