21893535

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28619}}^1$

素因数の和:28647

約数の個数: 24

約数和(自身を含む): 40182480

約数和(自身を除く): 18288945

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 28619, 85857, 143095, 257571, 429285, 486523, 1287855, 1459569, 2432615, 4378707, 7297845, 21893535]

約数ペア:

[(1, 21893535), (3, 7297845), (5, 4378707), (9, 2432615), (15, 1459569), (17, 1287855), (45, 486523), (51, 429285), (85, 257571), (153, 143095), (255, 85857), (765, 28619)]