21031607978

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1\times {\mathrm{334717}}^1$

素因数の和:335161

約数の個数: 16

約数和(自身を含む): 31992346440

約数和(自身を除く): 10960738462

約数列:

[1, 2, 89, 178, 353, 706, 31417, 62834, 334717, 669434, 29789813, 59579626, 118155101, 236310202, 10515803989, 21031607978]

約数ペア:

[(1, 21031607978), (2, 10515803989), (89, 236310202), (178, 118155101), (353, 59579626), (706, 29789813), (31417, 669434), (62834, 334717)]