21855262

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6947}}^1$

素因数の和:6984

約数の個数: 24

約数和(自身を含む): 38811528

約数和(自身を除く): 16956266

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 1573, 3146, 6947, 13894, 76417, 90311, 152834, 180622, 840587, 993421, 1681174, 1986842, 10927631, 21855262]

約数ペア:

[(1, 21855262), (2, 10927631), (11, 1986842), (13, 1681174), (22, 993421), (26, 840587), (121, 180622), (143, 152834), (242, 90311), (286, 76417), (1573, 13894), (3146, 6947)]