2021984848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9721081}}^1$

素因数の和:9721102

約数の個数: 20

約数和(自身を含む): 4218949588

約数和(自身を除く): 2196964740

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9721081, 19442162, 38884324, 77768648, 126374053, 155537296, 252748106, 505496212, 1010992424, 2021984848]

約数ペア:

[(1, 2021984848), (2, 1010992424), (4, 505496212), (8, 252748106), (13, 155537296), (16, 126374053), (26, 77768648), (52, 38884324), (104, 19442162), (208, 9721081)]