21775554

素因数分解:

$2^1\times 3^4\times {\mathrm{134417}}^1$

素因数の和:134431

約数の個数: 20

約数和(自身を含む): 48793734

約数和(自身を除く): 27018180

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 134417, 268834, 403251, 806502, 1209753, 2419506, 3629259, 7258518, 10887777, 21775554]

約数ペア:

[(1, 21775554), (2, 10887777), (3, 7258518), (6, 3629259), (9, 2419506), (18, 1209753), (27, 806502), (54, 403251), (81, 268834), (162, 134417)]