21226268

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2347}}^1$

素因数の和:2394

約数の個数: 48

約数和(自身を含む): 47335680

約数和(自身を除く): 26109412

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2261, 2347, 4522, 4694, 9044, 9388, 16429, 32858, 39899, 44593, 65716, 79798, 89186, 159596, 178372, 279293, 312151, 558586, 624302, 758081, 1117172, 1248604, 1516162, 3032324, 5306567, 10613134, 21226268]

約数ペア:

[(1, 21226268), (2, 10613134), (4, 5306567), (7, 3032324), (14, 1516162), (17, 1248604), (19, 1117172), (28, 758081), (34, 624302), (38, 558586), (68, 312151), (76, 279293), (119, 178372), (133, 159596), (238, 89186), (266, 79798), (323, 65716), (476, 44593), (532, 39899), (646, 32858), (1292, 16429), (2261, 9388), (2347, 9044), (4522, 4694)]