21382249

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2251}}^1$

素因数の和:2340

約数の個数: 16

約数和(自身を含む): 25943040

約数和(自身を除く): 4560791

約数列:

[1, 7, 23, 59, 161, 413, 1357, 2251, 9499, 15757, 51773, 132809, 362411, 929663, 3054607, 21382249]

約数ペア:

[(1, 21382249), (7, 3054607), (23, 929663), (59, 362411), (161, 132809), (413, 51773), (1357, 15757), (2251, 9499)]