21086848

素因数分解:

$2^7\times {\mathrm{151}}^1\times {\mathrm{1091}}^1$

素因数の和:1256

約数の個数: 32

約数和(自身を含む): 42325920

約数和(自身を除く): 21239072

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 302, 604, 1091, 1208, 2182, 2416, 4364, 4832, 8728, 9664, 17456, 19328, 34912, 69824, 139648, 164741, 329482, 658964, 1317928, 2635856, 5271712, 10543424, 21086848]

約数ペア:

[(1, 21086848), (2, 10543424), (4, 5271712), (8, 2635856), (16, 1317928), (32, 658964), (64, 329482), (128, 164741), (151, 139648), (302, 69824), (604, 34912), (1091, 19328), (1208, 17456), (2182, 9664), (2416, 8728), (4364, 4832)]