21191334

素因数分解:

$2^1\times 3^1\times {\mathrm{281}}^1\times {\mathrm{12569}}^1$

素因数の和:12855

約数の個数: 16

約数和(自身を含む): 42536880

約数和(自身を除く): 21345546

約数列:

[1, 2, 3, 6, 281, 562, 843, 1686, 12569, 25138, 37707, 75414, 3531889, 7063778, 10595667, 21191334]

約数ペア:

[(1, 21191334), (2, 10595667), (3, 7063778), (6, 3531889), (281, 75414), (562, 37707), (843, 25138), (1686, 12569)]