21238966

素因数分解:

$2^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{6803}}^1$

素因数の和:7035

約数の個数: 16

約数和(自身を含む): 36578304

約数和(自身を除く): 15339338

約数列:

[1, 2, 7, 14, 223, 446, 1561, 3122, 6803, 13606, 47621, 95242, 1517069, 3034138, 10619483, 21238966]

約数ペア:

[(1, 21238966), (2, 10619483), (7, 3034138), (14, 1517069), (223, 95242), (446, 47621), (1561, 13606), (3122, 6803)]