21080754

素因数分解:

$2^1\times 3^2\times {\mathrm{499}}^1\times {\mathrm{2347}}^1$

素因数の和:2854

約数の個数: 24

約数和(自身を含む): 45786000

約数和(自身を除く): 24705246

約数列:

[1, 2, 3, 6, 9, 18, 499, 998, 1497, 2347, 2994, 4491, 4694, 7041, 8982, 14082, 21123, 42246, 1171153, 2342306, 3513459, 7026918, 10540377, 21080754]

約数ペア:

[(1, 21080754), (2, 10540377), (3, 7026918), (6, 3513459), (9, 2342306), (18, 1171153), (499, 42246), (998, 21123), (1497, 14082), (2347, 8982), (2994, 7041), (4491, 4694)]