21380634

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1301}}^1$

素因数の和:1403

約数の個数: 48

約数和(自身を含む): 51184224

約数和(自身を除く): 29803590

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 83, 99, 166, 198, 249, 498, 747, 913, 1301, 1494, 1826, 2602, 2739, 3903, 5478, 7806, 8217, 11709, 14311, 16434, 23418, 28622, 42933, 85866, 107983, 128799, 215966, 257598, 323949, 647898, 971847, 1187813, 1943694, 2375626, 3563439, 7126878, 10690317, 21380634]

約数ペア:

[(1, 21380634), (2, 10690317), (3, 7126878), (6, 3563439), (9, 2375626), (11, 1943694), (18, 1187813), (22, 971847), (33, 647898), (66, 323949), (83, 257598), (99, 215966), (166, 128799), (198, 107983), (249, 85866), (498, 42933), (747, 28622), (913, 23418), (1301, 16434), (1494, 14311), (1826, 11709), (2602, 8217), (2739, 7806), (3903, 5478)]