2021981170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18381647}}^1$

素因数の和:18381665

約数の個数: 16

約数和(自身を含む): 3970435968

約数和(自身を除く): 1948454798

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 18381647, 36763294, 91908235, 183816470, 202198117, 404396234, 1010990585, 2021981170]

約数ペア:

[(1, 2021981170), (2, 1010990585), (5, 404396234), (10, 202198117), (11, 183816470), (22, 91908235), (55, 36763294), (110, 18381647)]