21357438

素因数分解:

$2^1\times 3^1\times {\mathrm{457}}^1\times {\mathrm{7789}}^1$

素因数の和:8251

約数の個数: 16

約数和(自身を含む): 42813840

約数和(自身を除く): 21456402

約数列:

[1, 2, 3, 6, 457, 914, 1371, 2742, 7789, 15578, 23367, 46734, 3559573, 7119146, 10678719, 21357438]

約数ペア:

[(1, 21357438), (2, 10678719), (3, 7119146), (6, 3559573), (457, 46734), (914, 23367), (1371, 15578), (2742, 7789)]