21549536

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{15661}}^1$

素因数の和:15714

約数の個数: 24

約数和(自身を含む): 43415064

約数和(自身を除く): 21865528

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 15661, 31322, 62644, 125288, 250576, 501152, 673423, 1346846, 2693692, 5387384, 10774768, 21549536]

約数ペア:

[(1, 21549536), (2, 10774768), (4, 5387384), (8, 2693692), (16, 1346846), (32, 673423), (43, 501152), (86, 250576), (172, 125288), (344, 62644), (688, 31322), (1376, 15661)]