21072325967

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{56531}}^1$

素因数の和:56699

約数の個数: 32

約数和(自身を含む): 27091943424

約数和(自身を除く): 6019617457

約数列:

[1, 7, 11, 47, 77, 103, 329, 517, 721, 1133, 3619, 4841, 7931, 33887, 53251, 56531, 372757, 395717, 621841, 2656957, 4352887, 5822693, 18598699, 29226527, 40758851, 64049623, 204585689, 273666571, 448347361, 1915665997, 3010332281, 21072325967]

約数ペア:

[(1, 21072325967), (7, 3010332281), (11, 1915665997), (47, 448347361), (77, 273666571), (103, 204585689), (329, 64049623), (517, 40758851), (721, 29226527), (1133, 18598699), (3619, 5822693), (4841, 4352887), (7931, 2656957), (33887, 621841), (53251, 395717), (56531, 372757)]