21166576

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8761}}^1$

素因数の和:8920

約数の個数: 20

約数和(自身を含む): 41286544

約数和(自身を除く): 20119968

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8761, 17522, 35044, 70088, 140176, 1322911, 2645822, 5291644, 10583288, 21166576]

約数ペア:

[(1, 21166576), (2, 10583288), (4, 5291644), (8, 2645822), (16, 1322911), (151, 140176), (302, 70088), (604, 35044), (1208, 17522), (2416, 8761)]