21180084

素因数分解:

$2^2\times 3^1\times {\mathrm{313}}^1\times {\mathrm{5639}}^1$

素因数の和:5959

約数の個数: 24

約数和(自身を含む): 49586880

約数和(自身を除く): 28406796

約数列:

[1, 2, 3, 4, 6, 12, 313, 626, 939, 1252, 1878, 3756, 5639, 11278, 16917, 22556, 33834, 67668, 1765007, 3530014, 5295021, 7060028, 10590042, 21180084]

約数ペア:

[(1, 21180084), (2, 10590042), (3, 7060028), (4, 5295021), (6, 3530014), (12, 1765007), (313, 67668), (626, 33834), (939, 22556), (1252, 16917), (1878, 11278), (3756, 5639)]