21146373

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41221}}^1$

素因数の和:41249

約数の個数: 16

約数和(自身を含む): 32977600

約数和(自身を除く): 11831227

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41221, 123663, 370989, 783199, 1112967, 2349597, 7048791, 21146373]

約数ペア:

[(1, 21146373), (3, 7048791), (9, 2349597), (19, 1112967), (27, 783199), (57, 370989), (171, 123663), (513, 41221)]