21905812420

素因数分解:

$2^2\times 5^1\times {\mathrm{3803}}^1\times {\mathrm{288007}}^1$

素因数の和:291819

約数の個数: 24

約数和(自身を含む): 46014462144

約数和(自身を除く): 24108649724

約数列:

[1, 2, 4, 5, 10, 20, 3803, 7606, 15212, 19015, 38030, 76060, 288007, 576014, 1152028, 1440035, 2880070, 5760140, 1095290621, 2190581242, 4381162484, 5476453105, 10952906210, 21905812420]

約数ペア:

[(1, 21905812420), (2, 10952906210), (4, 5476453105), (5, 4381162484), (10, 2190581242), (20, 1095290621), (3803, 5760140), (7606, 2880070), (15212, 1440035), (19015, 1152028), (38030, 576014), (76060, 288007)]