21162726

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90439}}^1$

素因数の和:90460

約数の個数: 24

約数和(自身を含む): 49380240

約数和(自身を除く): 28217514

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90439, 180878, 271317, 542634, 813951, 1175707, 1627902, 2351414, 3527121, 7054242, 10581363, 21162726]

約数ペア:

[(1, 21162726), (2, 10581363), (3, 7054242), (6, 3527121), (9, 2351414), (13, 1627902), (18, 1175707), (26, 813951), (39, 542634), (78, 271317), (117, 180878), (234, 90439)]