21564969

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1123}}^1$

素因数の和:1336

約数の個数: 16

約数和(自身を含む): 29727552

約数和(自身を除く): 8162583

約数列:

[1, 3, 37, 111, 173, 519, 1123, 3369, 6401, 19203, 41551, 124653, 194279, 582837, 7188323, 21564969]

約数ペア:

[(1, 21564969), (3, 7188323), (37, 582837), (111, 194279), (173, 124653), (519, 41551), (1123, 19203), (3369, 6401)]