21789264

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{64849}}^1$

素因数の和:64867

約数の個数: 40

約数和(自身を含む): 64331200

約数和(自身を除く): 42541936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 64849, 129698, 194547, 259396, 389094, 453943, 518792, 778188, 907886, 1037584, 1361829, 1556376, 1815772, 2723658, 3112752, 3631544, 5447316, 7263088, 10894632, 21789264]

約数ペア:

[(1, 21789264), (2, 10894632), (3, 7263088), (4, 5447316), (6, 3631544), (7, 3112752), (8, 2723658), (12, 1815772), (14, 1556376), (16, 1361829), (21, 1037584), (24, 907886), (28, 778188), (42, 518792), (48, 453943), (56, 389094), (84, 259396), (112, 194547), (168, 129698), (336, 64849)]