21645726

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1549}}^1$

素因数の和:1708

約数の個数: 32

約数和(自身を含む): 46202400

約数和(自身を除く): 24556674

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 137, 274, 411, 822, 1549, 2329, 3098, 4647, 4658, 6987, 9294, 13974, 26333, 52666, 78999, 157998, 212213, 424426, 636639, 1273278, 3607621, 7215242, 10822863, 21645726]

約数ペア:

[(1, 21645726), (2, 10822863), (3, 7215242), (6, 3607621), (17, 1273278), (34, 636639), (51, 424426), (102, 212213), (137, 157998), (274, 78999), (411, 52666), (822, 26333), (1549, 13974), (2329, 9294), (3098, 6987), (4647, 4658)]