21812434

素因数分解:

$2^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{3517}}^1$

素因数の和:3969

約数の個数: 16

約数和(自身を含む): 37487808

約数和(自身を除く): 15675374

約数列:

[1, 2, 7, 14, 443, 886, 3101, 3517, 6202, 7034, 24619, 49238, 1558031, 3116062, 10906217, 21812434]

約数ペア:

[(1, 21812434), (2, 10906217), (7, 3116062), (14, 1558031), (443, 49238), (886, 24619), (3101, 7034), (3517, 6202)]