21137368

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16411}}^1$

素因数の和:16447

約数の個数: 32

約数和(自身を含む): 47266560

約数和(自身を除く): 26129192

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16411, 32822, 65644, 114877, 131288, 229754, 377453, 459508, 754906, 919016, 1509812, 2642171, 3019624, 5284342, 10568684, 21137368]

約数ペア:

[(1, 21137368), (2, 10568684), (4, 5284342), (7, 3019624), (8, 2642171), (14, 1509812), (23, 919016), (28, 754906), (46, 459508), (56, 377453), (92, 229754), (161, 131288), (184, 114877), (322, 65644), (644, 32822), (1288, 16411)]