21828814

素因数分解:

$2^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{631}}^1$

素因数の和:1000

約数の個数: 24

約数和(自身を含む): 38257488

約数和(自身を除く): 16428674

約数列:

[1, 2, 7, 14, 49, 98, 353, 631, 706, 1262, 2471, 4417, 4942, 8834, 17297, 30919, 34594, 61838, 222743, 445486, 1559201, 3118402, 10914407, 21828814]

約数ペア:

[(1, 21828814), (2, 10914407), (7, 3118402), (14, 1559201), (49, 445486), (98, 222743), (353, 61838), (631, 34594), (706, 30919), (1262, 17297), (2471, 8834), (4417, 4942)]