2021165629

素因数分解:

$7^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1\times {\mathrm{6779}}^1$

素因数の和:7200

約数の個数: 16

約数和(自身を含む): 2332753920

約数和(自身を除く): 311588291

約数列:

[1, 7, 191, 223, 1337, 1561, 6779, 42593, 47453, 298151, 1294789, 1511717, 9063523, 10582019, 288737947, 2021165629]

約数ペア:

[(1, 2021165629), (7, 288737947), (191, 10582019), (223, 9063523), (1337, 1511717), (1561, 1294789), (6779, 298151), (42593, 47453)]