21085874211

素因数分解:

$3^1\times {\mathrm{509}}^1\times {\mathrm{3631}}^1\times {\mathrm{3803}}^1$

素因数の和:7946

約数の個数: 16

約数和(自身を含む): 28184901120

約数和(自身を除く): 7099026909

約数列:

[1, 3, 509, 1527, 3631, 3803, 10893, 11409, 1848179, 1935727, 5544537, 5807181, 13808693, 41426079, 7028624737, 21085874211]

約数ペア:

[(1, 21085874211), (3, 7028624737), (509, 41426079), (1527, 13808693), (3631, 5807181), (3803, 5544537), (10893, 1935727), (11409, 1848179)]