21867616

素因数分解:

$2^5\times {\mathrm{257}}^1\times {\mathrm{2659}}^1$

素因数の和:2926

約数の個数: 24

約数和(自身を含む): 43235640

約数和(自身を除く): 21368024

約数列:

[1, 2, 4, 8, 16, 32, 257, 514, 1028, 2056, 2659, 4112, 5318, 8224, 10636, 21272, 42544, 85088, 683363, 1366726, 2733452, 5466904, 10933808, 21867616]

約数ペア:

[(1, 21867616), (2, 10933808), (4, 5466904), (8, 2733452), (16, 1366726), (32, 683363), (257, 85088), (514, 42544), (1028, 21272), (2056, 10636), (2659, 8224), (4112, 5318)]