21090768

素因数分解:

$2^4\times 3^1\times {\mathrm{349}}^1\times {\mathrm{1259}}^1$

素因数の和:1619

約数の個数: 40

約数和(自身を含む): 54684000

約数和(自身を除く): 33593232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 349, 698, 1047, 1259, 1396, 2094, 2518, 2792, 3777, 4188, 5036, 5584, 7554, 8376, 10072, 15108, 16752, 20144, 30216, 60432, 439391, 878782, 1318173, 1757564, 2636346, 3515128, 5272692, 7030256, 10545384, 21090768]

約数ペア:

[(1, 21090768), (2, 10545384), (3, 7030256), (4, 5272692), (6, 3515128), (8, 2636346), (12, 1757564), (16, 1318173), (24, 878782), (48, 439391), (349, 60432), (698, 30216), (1047, 20144), (1259, 16752), (1396, 15108), (2094, 10072), (2518, 8376), (2792, 7554), (3777, 5584), (4188, 5036)]