21107754

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27271}}^1$

素因数の和:27322

約数の個数: 24

約数和(自身を含む): 46798752

約数和(自身を除く): 25690998

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27271, 54542, 81813, 163626, 245439, 490878, 1172653, 2345306, 3517959, 7035918, 10553877, 21107754]

約数ペア:

[(1, 21107754), (2, 10553877), (3, 7035918), (6, 3517959), (9, 2345306), (18, 1172653), (43, 490878), (86, 245439), (129, 163626), (258, 81813), (387, 54542), (774, 27271)]