2021991290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18381739}}^1$

素因数の和:18381757

約数の個数: 16

約数和(自身を含む): 3970455840

約数和(自身を除く): 1948464550

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 18381739, 36763478, 91908695, 183817390, 202199129, 404398258, 1010995645, 2021991290]

約数ペア:

[(1, 2021991290), (2, 1010995645), (5, 404398258), (10, 202199129), (11, 183817390), (22, 91908695), (55, 36763478), (110, 18381739)]