21978231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{35053}}^1$

素因数の和:35086

約数の個数: 16

約数和(自身を含む): 33651840

約数和(自身を除く): 11673609

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 35053, 105159, 385583, 666007, 1156749, 1998021, 7326077, 21978231]

約数ペア:

[(1, 21978231), (3, 7326077), (11, 1998021), (19, 1156749), (33, 666007), (57, 385583), (209, 105159), (627, 35053)]