21427995

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{38609}}^1$

素因数の和:38654

約数の個数: 16

約数和(自身を含む): 35212320

約数和(自身を除く): 13784325

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 38609, 115827, 193045, 579135, 1428533, 4285599, 7142665, 21427995]

約数ペア:

[(1, 21427995), (3, 7142665), (5, 4285599), (15, 1428533), (37, 579135), (111, 193045), (185, 115827), (555, 38609)]