21508701225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{116911}}^1$

素因数の和:117158

約数の個数: 48

約数和(自身を含む): 38968172544

約数和(自身を除く): 17459471319

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 223, 275, 669, 825, 1115, 2453, 3345, 5575, 7359, 12265, 16725, 36795, 61325, 116911, 183975, 350733, 584555, 1286021, 1753665, 2922775, 3858063, 6430105, 8768325, 19290315, 26071153, 32150525, 78213459, 96451575, 130355765, 286782683, 391067295, 651778825, 860348049, 1433913415, 1955336475, 4301740245, 7169567075, 21508701225]

約数ペア:

[(1, 21508701225), (3, 7169567075), (5, 4301740245), (11, 1955336475), (15, 1433913415), (25, 860348049), (33, 651778825), (55, 391067295), (75, 286782683), (165, 130355765), (223, 96451575), (275, 78213459), (669, 32150525), (825, 26071153), (1115, 19290315), (2453, 8768325), (3345, 6430105), (5575, 3858063), (7359, 2922775), (12265, 1753665), (16725, 1286021), (36795, 584555), (61325, 350733), (116911, 183975)]