21669219

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 37346400

約数和(自身を除く): 15677181

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 113, 117, 143, 149, 339, 429, 447, 1017, 1243, 1287, 1341, 1469, 1639, 1937, 3729, 4407, 4917, 5811, 11187, 13221, 14751, 16159, 16837, 17433, 21307, 48477, 50511, 63921, 145431, 151533, 185207, 191763, 218881, 555621, 656643, 1666863, 1969929, 2407691, 7223073, 21669219]

約数ペア:

[(1, 21669219), (3, 7223073), (9, 2407691), (11, 1969929), (13, 1666863), (33, 656643), (39, 555621), (99, 218881), (113, 191763), (117, 185207), (143, 151533), (149, 145431), (339, 63921), (429, 50511), (447, 48477), (1017, 21307), (1243, 17433), (1287, 16837), (1341, 16159), (1469, 14751), (1639, 13221), (1937, 11187), (3729, 5811), (4407, 4917)]