21501627

素因数分解:

$3^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1301}}^1$

素因数の和:2098

約数の個数: 16

約数和(自身を含む): 32831232

約数和(自身を除く): 11329605

約数列:

[1, 3, 7, 21, 787, 1301, 2361, 3903, 5509, 9107, 16527, 27321, 1023887, 3071661, 7167209, 21501627]

約数ペア:

[(1, 21501627), (3, 7167209), (7, 3071661), (21, 1023887), (787, 27321), (1301, 16527), (2361, 9107), (3903, 5509)]