21778688

素因数分解:

$2^8\times {\mathrm{241}}^1\times {\mathrm{353}}^1$

素因数の和:610

約数の個数: 36

約数和(自身を含む): 43776348

約数和(自身を除く): 21997660

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 241, 256, 353, 482, 706, 964, 1412, 1928, 2824, 3856, 5648, 7712, 11296, 15424, 22592, 30848, 45184, 61696, 85073, 90368, 170146, 340292, 680584, 1361168, 2722336, 5444672, 10889344, 21778688]

約数ペア:

[(1, 21778688), (2, 10889344), (4, 5444672), (8, 2722336), (16, 1361168), (32, 680584), (64, 340292), (128, 170146), (241, 90368), (256, 85073), (353, 61696), (482, 45184), (706, 30848), (964, 22592), (1412, 15424), (1928, 11296), (2824, 7712), (3856, 5648)]