21947002

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20359}}^1$

素因数の和:20386

約数の個数: 24

約数和(自身を含む): 41778720

約数和(自身を除く): 19831718

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 20359, 40718, 142513, 223949, 285026, 447898, 997591, 1567643, 1995182, 3135286, 10973501, 21947002]

約数ペア:

[(1, 21947002), (2, 10973501), (7, 3135286), (11, 1995182), (14, 1567643), (22, 997591), (49, 447898), (77, 285026), (98, 223949), (154, 142513), (539, 40718), (1078, 20359)]