21698976

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17387}}^1$

素因数の和:17413

約数の個数: 48

約数和(自身を含む): 61344864

約数和(自身を除く): 39645888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 17387, 34774, 52161, 69548, 104322, 139096, 208644, 226031, 278192, 417288, 452062, 556384, 678093, 834576, 904124, 1356186, 1669152, 1808248, 2712372, 3616496, 5424744, 7232992, 10849488, 21698976]

約数ペア:

[(1, 21698976), (2, 10849488), (3, 7232992), (4, 5424744), (6, 3616496), (8, 2712372), (12, 1808248), (13, 1669152), (16, 1356186), (24, 904124), (26, 834576), (32, 678093), (39, 556384), (48, 452062), (52, 417288), (78, 278192), (96, 226031), (104, 208644), (156, 139096), (208, 104322), (312, 69548), (416, 52161), (624, 34774), (1248, 17387)]