21167293555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1\times {\mathrm{17573}}^1$

素因数の和:18015

約数の個数: 32

約数和(自身を含む): 27695499264

約数和(自身を除く): 6528205709

約数列:

[1, 5, 17, 37, 85, 185, 383, 629, 1915, 3145, 6511, 14171, 17573, 32555, 70855, 87865, 240907, 298741, 650201, 1204535, 1493705, 3251005, 6730459, 11053417, 33652295, 55267085, 114417803, 249026983, 572089015, 1245134915, 4233458711, 21167293555]

約数ペア:

[(1, 21167293555), (5, 4233458711), (17, 1245134915), (37, 572089015), (85, 249026983), (185, 114417803), (383, 55267085), (629, 33652295), (1915, 11053417), (3145, 6730459), (6511, 3251005), (14171, 1493705), (17573, 1204535), (32555, 650201), (70855, 298741), (87865, 240907)]