21662451

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{42227}}^1$

素因数の和:42255

約数の個数: 16

約数和(自身を含む): 33782400

約数和(自身を除く): 12119949

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 42227, 126681, 380043, 802313, 1140129, 2406939, 7220817, 21662451]

約数ペア:

[(1, 21662451), (3, 7220817), (9, 2406939), (19, 1140129), (27, 802313), (57, 380043), (171, 126681), (513, 42227)]