21138816

素因数分解:

$2^7\times 3^1\times {\mathrm{55049}}^1$

素因数の和:55066

約数の個数: 32

約数和(自身を含む): 56151000

約数和(自身を除く): 35012184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 55049, 110098, 165147, 220196, 330294, 440392, 660588, 880784, 1321176, 1761568, 2642352, 3523136, 5284704, 7046272, 10569408, 21138816]

約数ペア:

[(1, 21138816), (2, 10569408), (3, 7046272), (4, 5284704), (6, 3523136), (8, 2642352), (12, 1761568), (16, 1321176), (24, 880784), (32, 660588), (48, 440392), (64, 330294), (96, 220196), (128, 165147), (192, 110098), (384, 55049)]