20212821084

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1\times {\mathrm{36857}}^1$

素因数の和:38874

約数の個数: 48

約数和(自身を含む): 49239929088

約数和(自身を除く): 29027108004

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 1987, 3974, 5961, 7948, 11922, 23844, 36857, 45701, 73714, 91402, 110571, 137103, 147428, 182804, 221142, 274206, 442284, 548412, 847711, 1695422, 2543133, 3390844, 5086266, 10172532, 73234859, 146469718, 219704577, 292939436, 439409154, 878818308, 1684401757, 3368803514, 5053205271, 6737607028, 10106410542, 20212821084]

約数ペア:

[(1, 20212821084), (2, 10106410542), (3, 6737607028), (4, 5053205271), (6, 3368803514), (12, 1684401757), (23, 878818308), (46, 439409154), (69, 292939436), (92, 219704577), (138, 146469718), (276, 73234859), (1987, 10172532), (3974, 5086266), (5961, 3390844), (7948, 2543133), (11922, 1695422), (23844, 847711), (36857, 548412), (45701, 442284), (73714, 274206), (91402, 221142), (110571, 182804), (137103, 147428)]