21513898

素因数分解:

$2^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1523}}^1$

素因数の和:2541

約数の個数: 16

約数和(自身を含む): 36941760

約数和(自身を除く): 15427862

約数列:

[1, 2, 7, 14, 1009, 1523, 2018, 3046, 7063, 10661, 14126, 21322, 1536707, 3073414, 10756949, 21513898]

約数ペア:

[(1, 21513898), (2, 10756949), (7, 3073414), (14, 1536707), (1009, 21322), (1523, 14126), (2018, 10661), (3046, 7063)]