21870748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9283}}^1$

素因数の和:9337

約数の個数: 24

約数和(自身を含む): 41592320

約数和(自身を除く): 19721572

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 9283, 18566, 37132, 176377, 287773, 352754, 575546, 705508, 1151092, 5467687, 10935374, 21870748]

約数ペア:

[(1, 21870748), (2, 10935374), (4, 5467687), (19, 1151092), (31, 705508), (38, 575546), (62, 352754), (76, 287773), (124, 176377), (589, 37132), (1178, 18566), (2356, 9283)]