21536508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3089}}^1$

素因数の和:3186

約数の個数: 48

約数和(自身を含む): 58141440

約数和(自身を除く): 36604932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 249, 332, 498, 581, 996, 1162, 1743, 2324, 3089, 3486, 6178, 6972, 9267, 12356, 18534, 21623, 37068, 43246, 64869, 86492, 129738, 256387, 259476, 512774, 769161, 1025548, 1538322, 1794709, 3076644, 3589418, 5384127, 7178836, 10768254, 21536508]

約数ペア:

[(1, 21536508), (2, 10768254), (3, 7178836), (4, 5384127), (6, 3589418), (7, 3076644), (12, 1794709), (14, 1538322), (21, 1025548), (28, 769161), (42, 512774), (83, 259476), (84, 256387), (166, 129738), (249, 86492), (332, 64869), (498, 43246), (581, 37068), (996, 21623), (1162, 18534), (1743, 12356), (2324, 9267), (3089, 6972), (3486, 6178)]