21086067

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4457}}^1$

素因数の和:4562

約数の個数: 16

約数和(自身を含む): 29957760

約数和(自身を除く): 8871693

約数列:

[1, 3, 19, 57, 83, 249, 1577, 4457, 4731, 13371, 84683, 254049, 369931, 1109793, 7028689, 21086067]

約数ペア:

[(1, 21086067), (3, 7028689), (19, 1109793), (57, 369931), (83, 254049), (249, 84683), (1577, 13371), (4457, 4731)]