21847878

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1279}}^1$

素因数の和:1373

約数の個数: 48

約数和(自身を含む): 51717120

約数和(自身を除く): 29869242

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 73, 78, 117, 146, 219, 234, 438, 657, 949, 1279, 1314, 1898, 2558, 2847, 3837, 5694, 7674, 8541, 11511, 16627, 17082, 23022, 33254, 49881, 93367, 99762, 149643, 186734, 280101, 299286, 560202, 840303, 1213771, 1680606, 2427542, 3641313, 7282626, 10923939, 21847878]

約数ペア:

[(1, 21847878), (2, 10923939), (3, 7282626), (6, 3641313), (9, 2427542), (13, 1680606), (18, 1213771), (26, 840303), (39, 560202), (73, 299286), (78, 280101), (117, 186734), (146, 149643), (219, 99762), (234, 93367), (438, 49881), (657, 33254), (949, 23022), (1279, 17082), (1314, 16627), (1898, 11511), (2558, 8541), (2847, 7674), (3837, 5694)]