21568918

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1733}}^1$

素因数の和:1876

約数の個数: 24

約数和(自身を含む): 37953792

約数和(自身を除く): 16384874

約数列:

[1, 2, 7, 14, 49, 98, 127, 254, 889, 1733, 1778, 3466, 6223, 12131, 12446, 24262, 84917, 169834, 220091, 440182, 1540637, 3081274, 10784459, 21568918]

約数ペア:

[(1, 21568918), (2, 10784459), (7, 3081274), (14, 1540637), (49, 440182), (98, 220091), (127, 169834), (254, 84917), (889, 24262), (1733, 12446), (1778, 12131), (3466, 6223)]