21306698

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{32381}}^1$

素因数の和:32437

約数の個数: 16

約数和(自身を含む): 37304064

約数和(自身を除く): 15997366

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 32381, 64762, 226667, 453334, 1521907, 3043814, 10653349, 21306698]

約数ペア:

[(1, 21306698), (2, 10653349), (7, 3043814), (14, 1521907), (47, 453334), (94, 226667), (329, 64762), (658, 32381)]