21402374

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66467}}^1$

素因数の和:66499

約数の個数: 16

約数和(自身を含む): 38285568

約数和(自身を除く): 16883194

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66467, 132934, 465269, 930538, 1528741, 3057482, 10701187, 21402374]

約数ペア:

[(1, 21402374), (2, 10701187), (7, 3057482), (14, 1528741), (23, 930538), (46, 465269), (161, 132934), (322, 66467)]