21268917972

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1831}}^1\times {\mathrm{14029}}^1$

素因数の和:15893

約数の個数: 72

約数和(自身を含む): 56135264640

約数和(自身を除く): 34866346668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 1831, 3662, 5493, 7324, 10986, 14029, 16479, 21972, 28058, 32958, 42087, 42113, 56116, 65916, 84174, 84226, 126261, 126339, 168348, 168452, 252522, 252678, 322667, 379017, 505044, 505356, 645334, 758034, 968001, 1290668, 1516068, 1936002, 2904003, 3872004, 5808006, 11616012, 25687099, 51374198, 77061297, 102748396, 154122594, 231183891, 308245188, 462367782, 590803277, 924735564, 1181606554, 1772409831, 2363213108, 3544819662, 5317229493, 7089639324, 10634458986, 21268917972]

約数ペア:

[(1, 21268917972), (2, 10634458986), (3, 7089639324), (4, 5317229493), (6, 3544819662), (9, 2363213108), (12, 1772409831), (18, 1181606554), (23, 924735564), (36, 590803277), (46, 462367782), (69, 308245188), (92, 231183891), (138, 154122594), (207, 102748396), (276, 77061297), (414, 51374198), (828, 25687099), (1831, 11616012), (3662, 5808006), (5493, 3872004), (7324, 2904003), (10986, 1936002), (14029, 1516068), (16479, 1290668), (21972, 968001), (28058, 758034), (32958, 645334), (42087, 505356), (42113, 505044), (56116, 379017), (65916, 322667), (84174, 252678), (84226, 252522), (126261, 168452), (126339, 168348)]