21784404

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{78929}}^1$

素因数の和:78959

約数の個数: 24

約数和(自身を含む): 53040960

約数和(自身を除く): 31256556

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 78929, 157858, 236787, 315716, 473574, 947148, 1815367, 3630734, 5446101, 7261468, 10892202, 21784404]

約数ペア:

[(1, 21784404), (2, 10892202), (3, 7261468), (4, 5446101), (6, 3630734), (12, 1815367), (23, 947148), (46, 473574), (69, 315716), (92, 236787), (138, 157858), (276, 78929)]