21738364

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1597}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 39464208

約数和(自身を除く): 17725844

約数列:

[1, 2, 4, 41, 82, 83, 164, 166, 332, 1597, 3194, 3403, 6388, 6806, 13612, 65477, 130954, 132551, 261908, 265102, 530204, 5434591, 10869182, 21738364]

約数ペア:

[(1, 21738364), (2, 10869182), (4, 5434591), (41, 530204), (82, 265102), (83, 261908), (164, 132551), (166, 130954), (332, 65477), (1597, 13612), (3194, 6806), (3403, 6388)]