21779230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1559}}^1$

素因数の和:1704

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 21351650

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 1559, 2794, 3118, 6985, 7795, 13970, 15590, 17149, 34298, 85745, 171490, 197993, 395986, 989965, 1979930, 2177923, 4355846, 10889615, 21779230]

約数ペア:

[(1, 21779230), (2, 10889615), (5, 4355846), (10, 2177923), (11, 1979930), (22, 989965), (55, 395986), (110, 197993), (127, 171490), (254, 85745), (635, 34298), (1270, 17149), (1397, 15590), (1559, 13970), (2794, 7795), (3118, 6985)]