21167192847

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{643}}^1\times {\mathrm{2203}}^1$

素因数の和:3159

約数の個数: 32

約数和(自身を含む): 30045351168

約数和(自身を除く): 8878158321

約数列:

[1, 3, 17, 51, 293, 643, 879, 1929, 2203, 4981, 6609, 10931, 14943, 32793, 37451, 112353, 188399, 565197, 645479, 1416529, 1936437, 3202783, 4249587, 9608349, 10973143, 24080993, 32919429, 72242979, 415042997, 1245128991, 7055730949, 21167192847]

約数ペア:

[(1, 21167192847), (3, 7055730949), (17, 1245128991), (51, 415042997), (293, 72242979), (643, 32919429), (879, 24080993), (1929, 10973143), (2203, 9608349), (4981, 4249587), (6609, 3202783), (10931, 1936437), (14943, 1416529), (32793, 645479), (37451, 565197), (112353, 188399)]