21255342291

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{573647}}^1$

素因数の和:573855

約数の個数: 24

約数和(自身を含む): 32216071680

約数和(自身を除く): 10960729389

約数列:

[1, 3, 9, 23, 69, 179, 207, 537, 1611, 4117, 12351, 37053, 573647, 1720941, 5162823, 13193881, 39581643, 102682813, 118744929, 308048439, 924145317, 2361704699, 7085114097, 21255342291]

約数ペア:

[(1, 21255342291), (3, 7085114097), (9, 2361704699), (23, 924145317), (69, 308048439), (179, 118744929), (207, 102682813), (537, 39581643), (1611, 13193881), (4117, 5162823), (12351, 1720941), (37053, 573647)]