21687022

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1433}}^1$

素因数の和:1512

約数の個数: 32

約数和(自身を含む): 39647232

約数和(自身を除く): 17960210

約数列:

[1, 2, 7, 14, 23, 46, 47, 94, 161, 322, 329, 658, 1081, 1433, 2162, 2866, 7567, 10031, 15134, 20062, 32959, 65918, 67351, 134702, 230713, 461426, 471457, 942914, 1549073, 3098146, 10843511, 21687022]

約数ペア:

[(1, 21687022), (2, 10843511), (7, 3098146), (14, 1549073), (23, 942914), (46, 471457), (47, 461426), (94, 230713), (161, 134702), (322, 67351), (329, 65918), (658, 32959), (1081, 20062), (1433, 15134), (2162, 10031), (2866, 7567)]