21332433

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 31629312

約数和(自身を除く): 10296879

約数列:

[1, 3, 17, 31, 51, 93, 103, 131, 309, 393, 527, 1581, 1751, 2227, 3193, 4061, 5253, 6681, 9579, 12183, 13493, 40479, 54281, 69037, 162843, 207111, 229381, 418283, 688143, 1254849, 7110811, 21332433]

約数ペア:

[(1, 21332433), (3, 7110811), (17, 1254849), (31, 688143), (51, 418283), (93, 229381), (103, 207111), (131, 162843), (309, 69037), (393, 54281), (527, 40479), (1581, 13493), (1751, 12183), (2227, 9579), (3193, 6681), (4061, 5253)]