21000340862

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1423}}^1\times {\mathrm{388363}}^1$

素因数の和:389807

約数の個数: 16

約数和(自身を含む): 33181820160

約数和(自身を除く): 12181479298

約数列:

[1, 2, 19, 38, 1423, 2846, 27037, 54074, 388363, 776726, 7378897, 14757794, 552640549, 1105281098, 10500170431, 21000340862]

約数ペア:

[(1, 21000340862), (2, 10500170431), (19, 1105281098), (38, 552640549), (1423, 14757794), (2846, 7378897), (27037, 776726), (54074, 388363)]