21109086

素因数分解:

$2^1\times 3^4\times {\mathrm{130303}}^1$

素因数の和:130317

約数の個数: 20

約数和(自身を含む): 47300352

約数和(自身を除く): 26191266

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 130303, 260606, 390909, 781818, 1172727, 2345454, 3518181, 7036362, 10554543, 21109086]

約数ペア:

[(1, 21109086), (2, 10554543), (3, 7036362), (6, 3518181), (9, 2345454), (18, 1172727), (27, 781818), (54, 390909), (81, 260606), (162, 130303)]