21037088

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 43799616

約数和(自身を除く): 22762528

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 101, 184, 202, 283, 368, 404, 566, 736, 808, 1132, 1616, 2264, 2323, 3232, 4528, 4646, 6509, 9056, 9292, 13018, 18584, 26036, 28583, 37168, 52072, 57166, 74336, 104144, 114332, 208288, 228664, 457328, 657409, 914656, 1314818, 2629636, 5259272, 10518544, 21037088]

約数ペア:

[(1, 21037088), (2, 10518544), (4, 5259272), (8, 2629636), (16, 1314818), (23, 914656), (32, 657409), (46, 457328), (92, 228664), (101, 208288), (184, 114332), (202, 104144), (283, 74336), (368, 57166), (404, 52072), (566, 37168), (736, 28583), (808, 26036), (1132, 18584), (1616, 13018), (2264, 9292), (2323, 9056), (3232, 6509), (4528, 4646)]