21000901268

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{9221}}^1\times {\mathrm{18367}}^1$

素因数の和:27623

約数の個数: 24

約数和(自身を含む): 37943291904

約数和(自身を除く): 16942390636

約数列:

[1, 2, 4, 31, 62, 124, 9221, 18367, 18442, 36734, 36884, 73468, 285851, 569377, 571702, 1138754, 1143404, 2277508, 169362107, 338724214, 677448428, 5250225317, 10500450634, 21000901268]

約数ペア:

[(1, 21000901268), (2, 10500450634), (4, 5250225317), (31, 677448428), (62, 338724214), (124, 169362107), (9221, 2277508), (18367, 1143404), (18442, 1138754), (36734, 571702), (36884, 569377), (73468, 285851)]