21096691

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3301}}^1$

素因数の和:3402

約数の個数: 16

約数和(自身を含む): 26627328

約数和(自身を除く): 5530637

約数列:

[1, 7, 11, 77, 83, 581, 913, 3301, 6391, 23107, 36311, 254177, 273983, 1917881, 3013813, 21096691]

約数ペア:

[(1, 21096691), (7, 3013813), (11, 1917881), (77, 273983), (83, 254177), (581, 36311), (913, 23107), (3301, 6391)]