21296098

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:933

約数の個数: 16

約数和(自身を含む): 32530680

約数和(自身を除く): 11234582

約数列:

[1, 2, 89, 178, 181, 362, 661, 1322, 16109, 32218, 58829, 117658, 119641, 239282, 10648049, 21296098]

約数ペア:

[(1, 21296098), (2, 10648049), (89, 239282), (178, 119641), (181, 117658), (362, 58829), (661, 32218), (1322, 16109)]