21712922

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{509}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 40832640

約数和(自身を除く): 19119718

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 277, 509, 554, 1018, 1939, 3047, 3563, 3878, 5599, 6094, 7126, 11198, 21329, 39193, 42658, 78386, 140993, 281986, 986951, 1550923, 1973902, 3101846, 10856461, 21712922]

約数ペア:

[(1, 21712922), (2, 10856461), (7, 3101846), (11, 1973902), (14, 1550923), (22, 986951), (77, 281986), (154, 140993), (277, 78386), (509, 42658), (554, 39193), (1018, 21329), (1939, 11198), (3047, 7126), (3563, 6094), (3878, 5599)]