21578474

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1082

約数の個数: 24

約数和(自身を含む): 35347980

約数和(自身を除く): 13769506

約数列:

[1, 2, 17, 34, 37, 74, 289, 578, 629, 1009, 1258, 2018, 10693, 17153, 21386, 34306, 37333, 74666, 291601, 583202, 634661, 1269322, 10789237, 21578474]

約数ペア:

[(1, 21578474), (2, 10789237), (17, 1269322), (34, 634661), (37, 583202), (74, 291601), (289, 74666), (578, 37333), (629, 34306), (1009, 21386), (1258, 17153), (2018, 10693)]