21177296

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8221}}^1$

素因数の和:8259

約数の個数: 40

約数和(自身を含む): 48937344

約数和(自身を除く): 27760048

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 8221, 16442, 32884, 57547, 65768, 115094, 131536, 189083, 230188, 378166, 460376, 756332, 920752, 1323581, 1512664, 2647162, 3025328, 5294324, 10588648, 21177296]

約数ペア:

[(1, 21177296), (2, 10588648), (4, 5294324), (7, 3025328), (8, 2647162), (14, 1512664), (16, 1323581), (23, 920752), (28, 756332), (46, 460376), (56, 378166), (92, 230188), (112, 189083), (161, 131536), (184, 115094), (322, 65768), (368, 57547), (644, 32884), (1288, 16442), (2576, 8221)]