21706146

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15661}}^1$

素因数の和:15687

約数の個数: 48

約数和(自身を含む): 58638528

約数和(自身を除く): 36932382

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15661, 31322, 46983, 93966, 109627, 140949, 172271, 219254, 281898, 328881, 344542, 516813, 657762, 986643, 1033626, 1205897, 1550439, 1973286, 2411794, 3100878, 3617691, 7235382, 10853073, 21706146]

約数ペア:

[(1, 21706146), (2, 10853073), (3, 7235382), (6, 3617691), (7, 3100878), (9, 2411794), (11, 1973286), (14, 1550439), (18, 1205897), (21, 1033626), (22, 986643), (33, 657762), (42, 516813), (63, 344542), (66, 328881), (77, 281898), (99, 219254), (126, 172271), (154, 140949), (198, 109627), (231, 93966), (462, 46983), (693, 31322), (1386, 15661)]