21696759560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{710903}}^1$

素因数の和:711030

約数の個数: 64

約数和(自身を含む): 56303596800

約数和(自身を除く): 34606837240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 3052, 3815, 4360, 6104, 7630, 15260, 30520, 710903, 1421806, 2843612, 3554515, 4976321, 5687224, 7109030, 9952642, 14218060, 19905284, 24881605, 28436120, 39810568, 49763210, 77488427, 99526420, 154976854, 199052840, 309953708, 387442135, 542418989, 619907416, 774884270, 1084837978, 1549768540, 2169675956, 2712094945, 3099537080, 4339351912, 5424189890, 10848379780, 21696759560]

約数ペア:

[(1, 21696759560), (2, 10848379780), (4, 5424189890), (5, 4339351912), (7, 3099537080), (8, 2712094945), (10, 2169675956), (14, 1549768540), (20, 1084837978), (28, 774884270), (35, 619907416), (40, 542418989), (56, 387442135), (70, 309953708), (109, 199052840), (140, 154976854), (218, 99526420), (280, 77488427), (436, 49763210), (545, 39810568), (763, 28436120), (872, 24881605), (1090, 19905284), (1526, 14218060), (2180, 9952642), (3052, 7109030), (3815, 5687224), (4360, 4976321), (6104, 3554515), (7630, 2843612), (15260, 1421806), (30520, 710903)]