215689836

素因数分解:

$2^2\times 3^1\times {\mathrm{821}}^1\times {\mathrm{21893}}^1$

素因数の和:22721

約数の個数: 24

約数和(自身を含む): 503912304

約数和(自身を除く): 288222468

約数列:

[1, 2, 3, 4, 6, 12, 821, 1642, 2463, 3284, 4926, 9852, 21893, 43786, 65679, 87572, 131358, 262716, 17974153, 35948306, 53922459, 71896612, 107844918, 215689836]

約数ペア:

[(1, 215689836), (2, 107844918), (3, 71896612), (4, 53922459), (6, 35948306), (12, 17974153), (821, 262716), (1642, 131358), (2463, 87572), (3284, 65679), (4926, 43786), (9852, 21893)]