21504494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{42499}}^1$

素因数の和:42535

約数の個数: 16

約数和(自身を含む): 36720000

約数和(自身を除く): 15215506

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 42499, 84998, 467489, 934978, 977477, 1954954, 10752247, 21504494]

約数ペア:

[(1, 21504494), (2, 10752247), (11, 1954954), (22, 977477), (23, 934978), (46, 467489), (253, 84998), (506, 42499)]