21557354

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16921}}^1$

素因数の和:16950

約数の個数: 24

約数和(自身を含む): 40511268

約数和(自身を除く): 18953914

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 16921, 33842, 118447, 219973, 236894, 439946, 829129, 1539811, 1658258, 3079622, 10778677, 21557354]

約数ペア:

[(1, 21557354), (2, 10778677), (7, 3079622), (13, 1658258), (14, 1539811), (26, 829129), (49, 439946), (91, 236894), (98, 219973), (182, 118447), (637, 33842), (1274, 16921)]