21830116

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70877}}^1$

素因数の和:70899

約数の個数: 24

約数和(自身を含む): 47630016

約数和(自身を除く): 25799900

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70877, 141754, 283508, 496139, 779647, 992278, 1559294, 1984556, 3118588, 5457529, 10915058, 21830116]

約数ペア:

[(1, 21830116), (2, 10915058), (4, 5457529), (7, 3118588), (11, 1984556), (14, 1559294), (22, 992278), (28, 779647), (44, 496139), (77, 283508), (154, 141754), (308, 70877)]