21167768193

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{28571}}^1$

素因数の和:28766

約数の個数: 48

約数和(自身を含む): 33623072448

約数和(自身を除く): 12455304255

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 157, 363, 429, 471, 1573, 1727, 2041, 4719, 5181, 6123, 18997, 22451, 28571, 56991, 67353, 85713, 246961, 314281, 371423, 740883, 942843, 1114269, 3457091, 4085653, 4485647, 10371273, 12256959, 13456941, 44942183, 49342117, 58313411, 134826549, 148026351, 174940233, 542763287, 641447521, 1628289861, 1924342563, 7055922731, 21167768193]

約数ペア:

[(1, 21167768193), (3, 7055922731), (11, 1924342563), (13, 1628289861), (33, 641447521), (39, 542763287), (121, 174940233), (143, 148026351), (157, 134826549), (363, 58313411), (429, 49342117), (471, 44942183), (1573, 13456941), (1727, 12256959), (2041, 10371273), (4719, 4485647), (5181, 4085653), (6123, 3457091), (18997, 1114269), (22451, 942843), (28571, 740883), (56991, 371423), (67353, 314281), (85713, 246961)]