21952593

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 37419840

約数和(自身を除く): 15467247

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 169, 221, 283, 351, 459, 507, 663, 849, 1521, 1989, 2547, 2873, 3679, 4563, 4811, 5967, 7641, 8619, 11037, 14433, 25857, 33111, 43299, 47827, 62543, 77571, 99333, 129897, 143481, 187629, 430443, 562887, 813059, 1291329, 1688661, 2439177, 7317531, 21952593]

約数ペア:

[(1, 21952593), (3, 7317531), (9, 2439177), (13, 1688661), (17, 1291329), (27, 813059), (39, 562887), (51, 430443), (117, 187629), (153, 143481), (169, 129897), (221, 99333), (283, 77571), (351, 62543), (459, 47827), (507, 43299), (663, 33111), (849, 25857), (1521, 14433), (1989, 11037), (2547, 8619), (2873, 7641), (3679, 5967), (4563, 4811)]