21192792

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16661}}^1$

素因数の和:16723

約数の個数: 32

約数和(自身を含む): 53984880

約数和(自身を除く): 32792088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16661, 33322, 49983, 66644, 99966, 133288, 199932, 399864, 883033, 1766066, 2649099, 3532132, 5298198, 7064264, 10596396, 21192792]

約数ペア:

[(1, 21192792), (2, 10596396), (3, 7064264), (4, 5298198), (6, 3532132), (8, 2649099), (12, 1766066), (24, 883033), (53, 399864), (106, 199932), (159, 133288), (212, 99966), (318, 66644), (424, 49983), (636, 33322), (1272, 16661)]