21839624

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1061}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 42819840

約数和(自身を除く): 20980216

約数列:

[1, 2, 4, 8, 31, 62, 83, 124, 166, 248, 332, 664, 1061, 2122, 2573, 4244, 5146, 8488, 10292, 20584, 32891, 65782, 88063, 131564, 176126, 263128, 352252, 704504, 2729953, 5459906, 10919812, 21839624]

約数ペア:

[(1, 21839624), (2, 10919812), (4, 5459906), (8, 2729953), (31, 704504), (62, 352252), (83, 263128), (124, 176126), (166, 131564), (248, 88063), (332, 65782), (664, 32891), (1061, 20584), (2122, 10292), (2573, 8488), (4244, 5146)]