21785048

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{601}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 42910560

約数和(自身を除く): 21125512

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 197, 394, 601, 788, 1202, 1576, 2404, 4531, 4808, 9062, 13823, 18124, 27646, 36248, 55292, 110584, 118397, 236794, 473588, 947176, 2723131, 5446262, 10892524, 21785048]

約数ペア:

[(1, 21785048), (2, 10892524), (4, 5446262), (8, 2723131), (23, 947176), (46, 473588), (92, 236794), (184, 118397), (197, 110584), (394, 55292), (601, 36248), (788, 27646), (1202, 18124), (1576, 13823), (2404, 9062), (4531, 4808)]